/**
 * JPYXS Portfolio - Main Stylesheet
 * Grid-table inspired design with blue borders and orange accents
 */

/* ==================== CSS Variables ==================== */
:root {
    --color-border: #0044CC;        /* Blue grid lines */
    --color-accent: #FF7A00;        /* Orange highlights */
    --color-bg: #F8FAFF;            /* Azure white background */
    --color-heading: #222222;       /* Dark gray headings */
    --color-text: #333333;          /* Muted gray text */
    --color-white: #FFFFFF;
    
    --border-width: 2px;
    --border-style: solid var(--color-border);
    --spacing-sm: 12px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;
    
    --font-mono: 'JetBrains Mono', 'Fira Mono', 'Courier New', monospace;
}

/* ==================== Dark Mode ==================== */
[data-theme="dark"] {
    --color-border: #4A90E2;        /* Lighter blue for dark mode */
    --color-accent: #FF9500;        /* Slightly brighter orange */
    --color-bg: #1A1A2E;            /* Dark navy background */
    --color-heading: #E0E0E0;       /* Light gray headings */
    --color-text: #C0C0C0;          /* Light gray text */
    --color-white: #16213E;         /* Dark blue-white for cards */
}

[data-theme="dark"] .alert-success {
    border-color: #28a745;
    background-color: #1e5f2e;
    color: #90ee90;
}

[data-theme="dark"] .alert-error {
    border-color: #dc3545;
    background-color: #5f1e1e;
    color: #ff9999;
}

/* Dark Mode Form Inputs */
[data-theme="dark"] .form-input,
[data-theme="dark"] .form-textarea {
    background-color: var(--color-white);
    color: var(--color-text);
    border-color: var(--color-border);
}

[data-theme="dark"] .form-input:focus,
[data-theme="dark"] .form-textarea:focus {
    background-color: #1E2A3E;
    color: var(--color-text);
    border-color: var(--color-accent);
}

[data-theme="dark"] .form-input::placeholder,
[data-theme="dark"] .form-textarea::placeholder {
    color: #888;
}

/* Dark Mode Admin Table */
[data-theme="dark"] .admin-table th {
    background-color: #1E2A3E;
    color: var(--color-heading);
}

[data-theme="dark"] .admin-table td {
    background-color: var(--color-white);
    color: var(--color-text);
}

[data-theme="dark"] .admin-table tr:hover {
    background-color: #1E2A3E;
}

/* Dark Mode Input Elements */
[data-theme="dark"] input[type="text"],
[data-theme="dark"] input[type="email"],
[data-theme="dark"] input[type="password"],
[data-theme="dark"] input[type="number"],
[data-theme="dark"] input[type="date"],
[data-theme="dark"] input[type="url"],
[data-theme="dark"] input[type="file"],
[data-theme="dark"] textarea,
[data-theme="dark"] select {
    background-color: var(--color-white);
    color: var(--color-text);
    border-color: var(--color-border);
}

[data-theme="dark"] input[type="text"]:focus,
[data-theme="dark"] input[type="email"]:focus,
[data-theme="dark"] input[type="password"]:focus,
[data-theme="dark"] input[type="number"]:focus,
[data-theme="dark"] input[type="date"]:focus,
[data-theme="dark"] input[type="url"]:focus,
[data-theme="dark"] textarea:focus,
[data-theme="dark"] select:focus {
    background-color: #1E2A3E;
    color: var(--color-text);
    border-color: var(--color-accent);
}

[data-theme="dark"] input::placeholder,
[data-theme="dark"] textarea::placeholder {
    color: #888;
}

/* Dark Mode Password Toggle */
[data-theme="dark"] .password-toggle {
    background-color: var(--color-white);
    color: var(--color-text);
    border-color: var(--color-border);
}

[data-theme="dark"] .password-toggle:hover {
    background-color: var(--color-accent);
    color: var(--color-white);
    border-color: var(--color-accent);
}

/* ==================== Reset & Base ==================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* ==================== Viewport Optimization ==================== */
html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

body {
    font-family: var(--font-mono);
    background-color: var(--color-bg);
    color: var(--color-text);
    line-height: 1.6;
    font-size: 14px;
    letter-spacing: 0.02em;
    margin: 0;
    padding: 0;
    overflow-x: hidden;
}

/* Hero section viewport optimization */
.hero-section {
    min-height: 47.5vh; /* shortened ~55% total (40% + 10% + 5% more) */
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: var(--spacing-lg);
    align-items: center;
}

/* Education and Projects sections - allow scrolling */
.education-section,
.projects-section {
    min-height: auto;
}

/* ==================== Typography ==================== */
h1, h2, h3, h4, h5, h6 {
    color: var(--color-heading);
    font-weight: 600;
    line-height: 1.3;
}

h1 { font-size: 2.5rem; margin-bottom: var(--spacing-md); }
h2 { font-size: 2rem; margin-bottom: var(--spacing-md); }
h3 { font-size: 1.5rem; margin-bottom: var(--spacing-sm); }
h4 { font-size: 1.25rem; margin-bottom: var(--spacing-sm); }

p {
    margin-bottom: var(--spacing-md);
}

a {
    color: var(--color-text);
    text-decoration: none;
    transition: all 0.3s ease;
}

a:hover {
    color: var(--color-accent);
}

/* ==================== Container & Layout ==================== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

.section {
    border: var(--border-width) var(--border-style);
    background-color: var(--color-white);
    margin: 0;
    padding: var(--spacing-xl);
    border-top: none;
}

.section:first-of-type {
    border-top: var(--border-width) var(--border-style);
}

.section-title {
    border-bottom: var(--border-width) var(--border-style);
    padding-bottom: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

/* ==================== Header / Navigation ==================== */
.header {
    background-color: var(--color-white);
    position: sticky;
    top: 0;
    z-index: 1000;
    border: var(--border-width) var(--border-style);
    margin: var(--spacing-lg) auto var(--spacing-md) auto;
    padding: var(--spacing-sm) var(--spacing-lg);
    max-width: 1152px;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--spacing-md);
}

.logo {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--color-accent);
    letter-spacing: 0.15em;
    padding: var(--spacing-sm) var(--spacing-md); /* keep same padding for logo */
    border: var(--border-width) var(--border-style);
    background-color: var(--color-white);
    white-space: nowrap;
}

.nav-menu {
    display: flex;
    gap: var(--spacing-sm);
    list-style: none;
}

.nav-link {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-sm) var(--spacing-md); /* keep same padding for nav links */
    transition: all 0.3s ease;
    font-weight: 500;
    border: var(--border-width) var(--border-style);
    background-color: var(--color-white);
    font-size: 0.9rem;
    box-sizing: border-box;
    height: auto;
    line-height: 1;
}

.nav-link:hover {
    background-color: var(--color-accent);
    border-color: var(--color-accent);
    color: var(--color-white);
}

.nav-link.active {
    background-color: var(--color-accent);
    border-color: var(--color-accent);
    color: var(--color-white);
}

/* Dark Mode Toggle Button in Nav - inherits nav-link styles */
#darkModeToggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: auto;
    min-width: 40px;
    margin: 0;
    line-height: 1;
    padding: var(--spacing-sm) var(--spacing-md);
}

#darkModeToggle i {
    font-size: 0.9rem;
    color: inherit;
}

/* Dark Mode Icon Color - ensure sun icon is visible in dark mode */
[data-theme="dark"] #darkModeToggle:not(:hover) i {
    color: var(--color-text);
}

[data-theme="dark"] #darkModeToggle:hover i {
    color: var(--color-white);
}

/* ==================== Hero Section ==================== */
.hero-section {
    min-height: 47.5vh; /* shortened ~55% total (40% + 10% + 5% more) */
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: var(--spacing-lg);
    align-items: stretch;
    padding-top: var(--spacing-sm); /* tighter to top */
}

.hero-content {
    border: var(--border-width) var(--border-style);
    padding: var(--spacing-md); /* further reduced padding for 10% more height reduction */
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
}

.hero-text-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
}

.hero-image-container {
    border: var(--border-width) var(--border-style);
    padding: var(--spacing-md); /* further reduced padding for 10% more height reduction */
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.hero-greeting {
    font-size: 3rem;
    color: var(--color-accent);
    margin-bottom: var(--spacing-sm);
}

.hero-headline {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-lg);
    color: var(--color-heading);
}

.hero-bio {
    line-height: 1.8;
}

.hero-image-container {
    border: var(--border-width) var(--border-style);
    padding: var(--spacing-md);
    background-color: var(--color-white);
}

.hero-image {
    width: 100%;
    max-width: 400px;
    height: auto;
    border: var(--border-width) var(--border-style);
    display: block;
}

/* Reduce top padding for the first section to bring hero up */
#about.section {
    padding-top: var(--spacing-lg);
}

/* ==================== Social Links Grid ==================== */
/* New full-width hero footer row */
.hero-social-row {
    border: var(--border-width) var(--border-style);
    background-color: var(--color-white);
    display: flex;
    align-items: center;
    justify-content: space-between; /* spread elements across full width */
    gap: var(--spacing-lg);
    margin-top: var(--spacing-lg); /* breathing room from hero */
    padding: var(--spacing-lg);
}

.social-links-container { /* inline group within the row */
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    justify-content: flex-start;
    width: 100%; /* take full width */
}

.social-icons-grid {
    display: flex;
    gap: var(--spacing-sm);
    align-items: center;
    margin-left: auto; /* push icons to the right */
}

.social-icon-box {
    aspect-ratio: 1;
    border: var(--border-width) var(--border-style);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    background-color: var(--color-white);
    cursor: pointer;
    width: 50px; /* slightly smaller */
    height: 50px; /* slightly smaller */
}

.social-icon-box:hover {
    border-color: var(--color-accent);
    background-color: var(--color-accent);
}

.social-icon-box i {
    font-size: 1.3rem; /* slightly smaller icon */
    color: var(--color-border);
    transition: color 0.3s ease;
}

.social-icon-box:hover i {
    color: var(--color-white);
}

.download-cv-box {
    border: var(--border-width) var(--border-style);
    padding: var(--spacing-md) var(--spacing-lg);
    display: flex;
    align-items: center;
    justify-content: space-between;
    transition: all 0.3s ease;
    background-color: var(--color-white);
    cursor: pointer;
    width: fit-content;
    min-width: 280px; /* significantly longer */
    gap: var(--spacing-md);
}

.download-cv-box:hover {
    border-color: var(--color-accent);
    background-color: var(--color-accent);
    color: var(--color-white);
}

.download-cv-box i {
    font-size: 1.5rem;
    color: var(--color-border);
    transition: color 0.3s ease;
}

.download-cv-box:hover i {
    color: var(--color-white);
}

.cv-text {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    font-weight: 500;
    font-size: 1rem;
}

/* ==================== Skills Carousel ==================== */
.skills-section {
    border: var(--border-width) var(--border-style);
    border-top: none;
    background-color: var(--color-white);
    overflow: hidden;
}

.skills-title {
    border-bottom: var(--border-width) var(--border-style);
    padding: var(--spacing-lg);
    margin: 0;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-heading);
    font-size: 1.2rem;
    font-weight: 600;
}

.skills-carousel-wrapper {
    overflow: hidden;
    width: 100%;
    position: relative;
}

.skills-carousel {
    display: flex;
    gap: var(--spacing-lg);
    padding: var(--spacing-lg);
    animation: scroll 30s linear infinite;
    will-change: transform;
    width: max-content;
}

.skill-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    border: var(--border-width) var(--border-style);
    padding: var(--spacing-md) var(--spacing-lg);
    white-space: nowrap;
    background-color: var(--color-bg);
    font-weight: 500;
    min-width: fit-content;
    flex-shrink: 0;
}

.skill-icon {
    width: 24px;
    height: 24px;
    object-fit: contain;
    flex-shrink: 0;
}

.skill-icon-fa {
    font-size: 1.25rem;
    color: var(--color-accent) !important;
    flex-shrink: 0;
}

.skill-name {
    display: inline-block;
}

@keyframes scroll {
    0% {
        transform: translateX(0);
    }
    100% {
        transform: translateX(calc(-33.333% - var(--spacing-lg) / 3));
    }
}

.skills-carousel:hover {
    animation-play-state: paused;
}

/* ==================== Education Section ==================== */
.education-grid {
    display: grid;
    gap: var(--spacing-md);
}

.education-item {
    border: var(--border-width) var(--border-style);
    padding: var(--spacing-lg);
    transition: all 0.3s ease;
}

.education-item:hover {
    border-color: var(--color-accent);
    background-color: var(--color-bg);
}

.education-content {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-lg);
}

.education-logo {
    flex-shrink: 0;
    width: 80px;
    height: 80px;
    border: var(--border-width) var(--border-style);
    background-color: var(--color-white);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-sm);
}

.education-logo-image {
    width: 100%;
    height: 100%;
    object-fit: contain;
    display: block;
}

.education-details {
    flex: 1;
}

.education-institution {
    font-size: 1.25rem;
    color: var(--color-heading);
    margin-bottom: var(--spacing-sm);
}

.education-degree {
    color: var(--color-accent);
    font-weight: 500;
    margin-bottom: var(--spacing-sm);
}

.education-years {
    font-size: 0.9rem;
    color: var(--color-border);
    margin-bottom: var(--spacing-md);
}

.education-description {
    line-height: 1.7;
}

/* ==================== Projects Section ==================== */
.section-title-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
}

.section-title-row .section-title {
    margin-bottom: 0;
}

.projects-toggle {
    white-space: nowrap;
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.projects-toggle i {
    transition: transform 0.3s ease;
}

.projects-toggle[aria-expanded="true"] i {
    transform: rotate(180deg);
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: var(--spacing-lg);
}

.projects-grid .section {
    border: var(--border-width) var(--border-style);
    background-color: var(--color-white);
    padding: var(--spacing-lg);
    text-align: center;
    transition: all 0.3s ease;
    border-top: var(--border-width) var(--border-style);
}

.projects-grid .section:hover {
    border-color: var(--color-accent);
    background-color: var(--color-bg);
}

.project-card {
    border: var(--border-width) var(--border-style);
    background-color: var(--color-white);
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
}

.project-card.is-hidden {
    display: none;
}

.project-card:hover {
    border-color: var(--color-accent);
    box-shadow: 0 4px 8px rgba(255, 122, 0, 0.1);
}

.project-image-container {
    border-bottom: var(--border-width) var(--border-style);
    overflow: hidden;
    height: 200px;
}

.project-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.project-content {
    padding: var(--spacing-lg);
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.project-title {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-sm);
}

.project-description {
    margin-bottom: var(--spacing-md);
    line-height: 1.7;
    flex-grow: 1;
    text-align: justify;
}

.project-tech {
    font-size: 0.85rem;
    color: var(--color-border);
    margin-bottom: var(--spacing-md);
    padding: var(--spacing-sm);
    border: 1px var(--border-style);
    background-color: var(--color-bg);
}

.project-links {
    display: flex;
    gap: var(--spacing-sm);
    border-top: var(--border-width) var(--border-style);
    padding-top: var(--spacing-md);
}

/* ==================== Extras Section ==================== */
.extras-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
}

.extra-category {
    border: var(--border-width) var(--border-style);
    background-color: var(--color-white);
    padding: var(--spacing-lg);
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
    min-height: 280px;
}

.extra-category:hover {
    border-color: var(--color-accent);
    background-color: var(--color-bg);
}

.extra-category-title {
    font-size: 1.2rem;
    color: var(--color-accent);
    margin-bottom: var(--spacing-md);
    border-bottom: var(--border-width) var(--border-style);
    padding-bottom: var(--spacing-sm);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.extra-items {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    flex: 1;
}

.extra-item {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    padding: var(--spacing-md);
    border: 1px solid var(--color-border);
    background-color: var(--color-white);
    transition: all 0.3s ease;
}

.extra-item:hover {
    border-color: var(--color-accent);
    background-color: var(--color-bg);
}

.extra-item-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.extra-icon {
    flex-shrink: 0;
    width: 32px;
    height: 32px;
    border: var(--border-width) var(--border-style);
    background-color: var(--color-white);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-accent);
    font-size: 1rem;
}

.extra-content {
    flex: 1;
    margin-top: var(--spacing-sm);
}

.extra-title {
    font-size: 1rem;
    color: var(--color-heading);
    margin: 0;
    font-weight: 600;
    flex: 1;
}

.extra-description {
    font-size: 0.9rem;
    color: var(--color-border);
    margin: 0;
    line-height: 1.5;
}

.extra-see-more {
    text-align: center;
    margin-top: auto;
    padding-top: var(--spacing-md);
}

.see-more-btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: 0.9rem;
    font-weight: 500;
    background-color: var(--color-white);
    border: var(--border-width) var(--border-style);
    color: var(--color-text);
    transition: all 0.3s ease;
}

.see-more-btn:hover {
    background-color: var(--color-accent);
    border-color: var(--color-accent);
    color: var(--color-white);
}

.see-more-btn i {
    font-size: 0.8rem;
}

.extras-load-more {
    text-align: center;
    margin-top: var(--spacing-xl);
    padding-top: var(--spacing-lg);
    border-top: var(--border-width) var(--border-style);
}

.load-more-btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: 1rem;
    font-weight: 500;
}

.load-more-btn i {
    font-size: 0.9rem;
}

/* ==================== Admin Extras Specific Styles ==================== */
.subsection {
    margin-bottom: var(--spacing-xl);
}

.subsection-title {
    font-size: 1.2rem;
    color: var(--color-accent);
    margin-bottom: var(--spacing-md);
    border-bottom: var(--border-width) var(--border-style);
    padding-bottom: var(--spacing-sm);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.subsection-title i {
    font-size: 1rem;
}

.admin-table-container {
    overflow-x: auto;
    border: var(--border-width) var(--border-style);
    background-color: var(--color-white);
}

.empty-state {
    text-align: center;
    padding: var(--spacing-xl);
    border: var(--border-width) var(--border-style);
    background-color: var(--color-white);
    color: var(--color-border);
}

.empty-state i {
    font-size: 3rem;
    margin-bottom: var(--spacing-md);
    color: var(--color-border);
}

.empty-state h3 {
    margin-bottom: var(--spacing-sm);
    color: var(--color-heading);
}

.empty-state p {
    margin-bottom: var(--spacing-lg);
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-lg);
}

.section-header .section-title {
    margin-bottom: 0;
    border-bottom: none;
}

.form-actions {
    display: flex;
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
    padding-top: var(--spacing-lg);
    border-top: var(--border-width) var(--border-style);
}
.contact-section {
    min-height: calc(100vh - 100px);
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.contact-form-container {
    border: var(--border-width) var(--border-style);
    padding: var(--spacing-lg); /* reduced height */
    max-width: 1100px; /* widened from 800px */
    margin: 0 auto;
    width: 100%;
}

.form-group {
    margin-bottom: var(--spacing-md); /* reduced spacing between form groups */
}

.form-label {
    display: block;
    margin-bottom: var(--spacing-sm);
    font-weight: 500;
    color: var(--color-heading);
}

.form-input,
.form-textarea {
    width: 100%;
    padding: var(--spacing-md);
    border: var(--border-width) var(--border-style);
    background-color: var(--color-bg);
    color: var(--color-text);
    font-family: var(--font-mono);
    font-size: 14px;
    transition: all 0.3s ease;
    border-radius: 0;
}

.form-input:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--color-accent);
    background-color: var(--color-white);
    color: var(--color-text);
}

.form-textarea {
    resize: vertical;
    min-height: 120px; /* reduced from 150px */
}

.contact-info-item {
    border: var(--border-width) var(--border-style);
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-md);
    display: grid;
    grid-template-columns: 50px 1fr;
    align-items: center;
    gap: var(--spacing-md);
}

.contact-info-item:last-child {
    margin-bottom: 0;
}

.contact-info-icon {
    font-size: 1.5rem;
    color: var(--color-border);
    text-align: center;
}

/* ==================== Buttons ==================== */
.btn {
    display: inline-block;
    padding: var(--spacing-md) var(--spacing-lg);
    border: var(--border-width) var(--border-style);
    background-color: var(--color-white);
    color: var(--color-text);
    font-family: var(--font-mono);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    text-align: center;
    border-radius: 0;
}

.btn:hover {
    background-color: var(--color-accent);
    border-color: var(--color-accent);
    color: var(--color-white);
}

.btn-primary {
    background-color: var(--color-border);
    border-color: var(--color-border);
    color: var(--color-white);
}

.btn-primary:hover {
    background-color: var(--color-accent);
    border-color: var(--color-accent);
}

.btn-danger:hover {
    background-color: #dc3545;
    border-color: #dc3545;
    color: #fff;
}
.btn-small {
    padding: var(--spacing-md) var(--spacing-lg);
    font-size: 12px;
}

.btn-block {
    width: 100%;
}

/* ==================== Footer ==================== */
.footer {
    border-top: var(--border-width) var(--border-style);
    background-color: var(--color-white);
    padding: var(--spacing-xl);
    text-align: center;
    margin-top: var(--spacing-xl);
}

.footer-text {
    color: var(--color-border);
    font-size: 0.9rem;
}

/* ==================== Alert Messages ==================== */
.alert {
    border: var(--border-width) var(--border-style);
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
    position: relative;
}

.alert-success {
    border-color: #28a745;
    background-color: #d4edda;
    color: #155724;
}

.alert-error {
    border-color: #dc3545;
    background-color: #f8d7da;
    color: #721c24;
}

.alert-close {
    position: absolute;
    top: var(--spacing-sm);
    right: var(--spacing-sm);
    width: 28px;
    height: 28px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: var(--border-width) var(--border-style);
    color: inherit;
    font-size: 0.95rem;
    cursor: pointer;
    line-height: 1;
    padding: 0;
    box-sizing: border-box;
}

.alert-close:hover {
    background-color: var(--color-accent);
    color: var(--color-white);
    border-color: var(--color-accent);
}

.alert-error .alert-close {
    border-color: #dc3545;
}

.alert-error .alert-close:hover {
    background-color: #dc3545;
    color: #fff;
    border-color: #dc3545;
}

/* ==================== Admin Styles ==================== */
.admin-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: var(--spacing-lg);
    border: var(--border-width) var(--border-style);
    background-color: var(--color-white);
    margin-top: var(--spacing-md);
    padding-bottom: calc(var(--spacing-xl) + var(--spacing-lg));
    margin-bottom: var(--spacing-xl);
}

.admin-container .section {
    border: var(--border-width) var(--border-style);
    border-top: none;
}

.admin-container .section:first-of-type {
    border-top: var(--border-width) var(--border-style);
}

.admin-container .projects-grid .section {
    border-top: var(--border-width) var(--border-style);
}

.admin-container .projects-grid .section:hover {
    border-color: var(--color-accent);
    background-color: var(--color-bg);
}

.section-top {
    border-top: var(--border-width) var(--border-style) !important;
}

.admin-header {
    position: sticky;
    top: 0;
    z-index: 900;
    border-bottom: var(--border-width) var(--border-style);
    background-color: var(--color-white);
    padding: calc(var(--spacing-lg) + var(--spacing-sm)) var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    flex-wrap: nowrap;
}

.admin-header .logo {
    font-size: 1rem;
    padding: 10px 14px;
    flex-shrink: 0;
}

.admin-header .btn-small {
    padding: var(--spacing-sm) var(--spacing-md);
    line-height: 1.1;
    font-size: 12px;
}

.admin-welcome {
    padding: var(--spacing-md) var(--spacing-lg);
    border: var(--border-width) var(--border-style);
    background-color: var(--color-white);
    color: var(--color-text);
    font-weight: 500;
    margin-right: var(--spacing-lg);
}

.admin-nav {
    display: flex;
    gap: var(--spacing-sm);
    list-style: none;
    margin: 0;
    padding: 0;
    flex-wrap: wrap;
    justify-content: flex-start;
    align-items: center;
    margin-left: var(--spacing-md);
    flex: 1 1 auto;
}

.admin-nav-link {
    padding: var(--spacing-sm) var(--spacing-md);
    border: var(--border-width) var(--border-style);
    background-color: var(--color-white);
    color: var(--color-text);
    text-decoration: none;
    transition: all 0.3s ease;
    display: block;
    font-size: 13px;
    line-height: 1.2;
}

.admin-header-actions {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-left: auto;
    flex-shrink: 0;
}

.admin-nav-link:hover,
.admin-nav-link.active {
    border-color: var(--color-accent);
    background-color: var(--color-accent);
    color: var(--color-white);
}

.admin-table {
    width: 100%;
    border-collapse: collapse;
    border: var(--border-width) var(--border-style);
}

.admin-table th,
.admin-table td {
    border: var(--border-width) var(--border-style);
    padding: var(--spacing-md);
    text-align: left;
}

.admin-table th {
    background-color: var(--color-bg);
    color: var(--color-heading);
    font-weight: 600;
}

.admin-table tr:hover {
    background-color: var(--color-bg);
}

.login-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--color-bg);
    padding: var(--spacing-lg);
}

.login-toggle {
    position: fixed;
    top: var(--spacing-lg);
    right: var(--spacing-lg);
    z-index: 20;
}

.login-box {
    border: var(--border-width) var(--border-style);
    padding: var(--spacing-xl);
    background-color: var(--color-white);
    max-width: 400px;
    width: 100%;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.login-logo-container {
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.login-logo {
    display: inline-block;
    padding: var(--spacing-md) var(--spacing-lg);
    border: var(--border-width) var(--border-style);
    background-color: var(--color-white);
    color: var(--color-accent);
    font-size: 1.5rem;
    font-weight: 700;
    font-family: var(--font-mono);
    letter-spacing: 0.1em;
}

.password-input-container {
    position: relative;
    display: flex;
    align-items: center;
}

.password-input {
    padding-right: 50px;
    width: 100%;
}

.password-toggle {
    position: absolute;
    right: 10px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: var(--color-border);
    cursor: pointer;
    padding: var(--spacing-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    border: var(--border-width) var(--border-style);
    background-color: var(--color-white);
    transition: all 0.3s ease;
}

.password-toggle:hover {
    background-color: var(--color-accent);
    color: var(--color-white);
    border-color: var(--color-accent);
}

.forgot-password-link {
    color: var(--color-border);
    text-decoration: none;
    font-size: 0.9rem;
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    transition: color 0.3s ease;
}

.forgot-password-link:hover {
    color: var(--color-accent);
}

/* Clickable extra items */
.extra-item-clickable {
    text-decoration: none;
    color: inherit;
    display: block;
    transition: all 0.3s ease;
    border-radius: var(--border-radius);
}

.extra-item-clickable:hover {
    background-color: var(--color-bg);
    border-color: var(--color-accent);
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

.extra-item-clickable:hover .extra-title {
    color: var(--color-accent);
}

.extra-item-clickable:hover .extra-icon {
    color: var(--color-accent);
}

.extra-thumbnail {
    flex-shrink: 0;
    width: 32px;
    height: 32px;
    border: var(--border-width) var(--border-style);
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--color-bg);
    overflow: hidden;
}

.extra-thumbnail img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    padding: 4px;
    max-width: 100%;
    max-height: 100%;
    box-sizing: border-box;
    display: block;
}

.extra-thumbnail i {
    font-size: 1.2rem;
    color: var(--color-accent);
}

/* ==================== Extra Modal ==================== */
.extra-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-lg);
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

.extra-modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.75);
    backdrop-filter: blur(6px);
    animation: fadeIn 0.3s ease;
}

.extra-modal-content {
    position: relative;
    background-color: var(--color-white);
    border: var(--border-width) var(--border-style);
    max-width: 900px;
    width: 100%;
    max-height: 90vh;
    display: flex;
    flex-direction: column;
    z-index: 1001;
    box-shadow: 0 12px 48px rgba(0, 68, 204, 0.25), 0 4px 16px rgba(0, 0, 0, 0.2);
    animation: slideUp 0.3s ease;
}

@keyframes slideUp {
    from {
        transform: translateY(30px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.extra-modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-lg) var(--spacing-xl);
    border-bottom: var(--border-width) var(--border-style);
    background-color: var(--color-bg);
}

.extra-modal-title {
    margin: 0;
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--color-heading);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.extra-modal-close {
    background: none;
    border: var(--border-width) var(--border-style);
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    cursor: pointer;
    color: var(--color-text);
    transition: all 0.3s ease;
    background-color: var(--color-white);
}

.extra-modal-close:hover {
    color: var(--color-accent);
    border-color: var(--color-accent);
    background-color: var(--color-bg);
    transform: rotate(90deg);
}

.extra-modal-body {
    padding: var(--spacing-xl);
    overflow-y: auto;
    flex: 1;
    background-color: var(--color-white);
}

.extra-modal-body::-webkit-scrollbar {
    width: 8px;
}

.extra-modal-body::-webkit-scrollbar-track {
    background: var(--color-bg);
}

.extra-modal-body::-webkit-scrollbar-thumb {
    background: var(--color-border);
    border: 1px solid var(--color-bg);
}

.extra-modal-body::-webkit-scrollbar-thumb:hover {
    background: var(--color-accent);
}

.extra-modal-item {
    margin-bottom: var(--spacing-lg);
    border: var(--border-width) var(--border-style);
    transition: all 0.3s ease;
    background-color: var(--color-white);
}

.extra-modal-item:last-child {
    margin-bottom: 0;
}

.extra-modal-item:hover {
    border-color: var(--color-accent);
    background-color: var(--color-bg);
    transform: translateX(4px);
    box-shadow: 4px 4px 0 rgba(255, 122, 0, 0.1);
}

.extra-modal-item-link {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-lg);
    padding: var(--spacing-lg);
    text-decoration: none;
    color: inherit;
    transition: all 0.3s ease;
}

.extra-modal-thumbnail {
    flex-shrink: 0;
    width: 100px;
    height: 100px;
    border: var(--border-width) var(--border-style);
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--color-bg);
    overflow: hidden;
    position: relative;
    transition: all 0.3s ease;
}

.extra-modal-item:hover .extra-modal-thumbnail {
    border-color: var(--color-accent);
    transform: scale(1.05);
}

.extra-modal-thumbnail img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    padding: 8px;
    max-width: 100%;
    max-height: 100%;
    display: block;
    box-sizing: border-box;
}

.extra-modal-thumbnail i {
    font-size: 2.5rem;
    color: var(--color-accent);
}

.extra-modal-icon {
    flex-shrink: 0;
    width: 100px;
    height: 100px;
    border: var(--border-width) var(--border-style);
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--color-bg);
    transition: all 0.3s ease;
}

.extra-modal-item:hover .extra-modal-icon {
    border-color: var(--color-accent);
    background-color: var(--color-white);
    transform: scale(1.05);
}

.extra-modal-icon i {
    font-size: 2.5rem;
    color: var(--color-accent);
    transition: all 0.3s ease;
}

.extra-modal-item:hover .extra-modal-icon i {
    transform: scale(1.1);
}

.extra-modal-item-content {
    flex: 1;
}

.extra-modal-item-title {
    margin: 0 0 var(--spacing-sm) 0;
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--color-heading);
    transition: color 0.3s ease;
}

.extra-modal-item:hover .extra-modal-item-title {
    color: var(--color-accent);
}

.extra-modal-item-description {
    margin: 0 0 var(--spacing-sm) 0;
    color: var(--color-text);
    font-size: 0.95rem;
    line-height: 1.6;
}

.extra-modal-item-issuer {
    margin: 0;
    color: var(--color-border);
    font-size: 0.9rem;
    font-style: italic;
    font-weight: 500;
}

.extra-modal-item-date {
    margin: var(--spacing-sm) 0 0 0;
    color: var(--color-border);
    font-size: 0.85rem;
    font-style: italic;
}

/* ==================== Blog Post Modal ==================== */
.blog-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-lg);
    animation: fadeIn 0.3s ease;
}

.blog-modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.75);
    backdrop-filter: blur(6px);
    animation: fadeIn 0.3s ease;
}

.blog-modal-content {
    position: relative;
    background-color: var(--color-white);
    border: var(--border-width) var(--border-style);
    max-width: 800px;
    width: 100%;
    max-height: 90vh;
    display: flex;
    flex-direction: column;
    z-index: 1001;
    box-shadow: 0 12px 48px rgba(0, 68, 204, 0.25), 0 4px 16px rgba(0, 0, 0, 0.2);
    animation: slideUp 0.3s ease;
}

.blog-modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-lg) var(--spacing-xl);
    border-bottom: var(--border-width) var(--border-style);
    background-color: var(--color-bg);
}

.blog-modal-title {
    margin: 0;
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--color-heading);
    flex: 1;
    line-height: 1.3;
}

.blog-modal-close {
    background: none;
    border: var(--border-width) var(--border-style);
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    cursor: pointer;
    color: var(--color-text);
    transition: all 0.3s ease;
    background-color: var(--color-white);
    margin-left: var(--spacing-md);
}

.blog-modal-close:hover {
    color: var(--color-accent);
    border-color: var(--color-accent);
    background-color: var(--color-bg);
    transform: rotate(90deg);
}

.blog-modal-body {
    padding: var(--spacing-xl);
    overflow-y: auto;
    flex: 1;
    background-color: var(--color-white);
}

.blog-modal-body::-webkit-scrollbar {
    width: 8px;
}

.blog-modal-body::-webkit-scrollbar-track {
    background: var(--color-bg);
}

.blog-modal-body::-webkit-scrollbar-thumb {
    background: var(--color-border);
    border: 1px solid var(--color-bg);
}

.blog-modal-body::-webkit-scrollbar-thumb:hover {
    background: var(--color-accent);
}

.blog-modal-date {
    color: var(--color-border);
    font-size: 0.9rem;
    font-style: italic;
    margin: 0 0 var(--spacing-md) 0;
    font-weight: 500;
}

.blog-modal-image {
    width: 100%;
    max-height: 400px;
    object-fit: cover;
    border: var(--border-width) var(--border-style);
    margin-bottom: var(--spacing-lg);
}

.blog-modal-excerpt {
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--color-text);
    margin: 0 0 var(--spacing-lg) 0;
    font-weight: 500;
}

.blog-modal-content-text {
    font-size: 1rem;
    line-height: 1.8;
    color: var(--color-text);
    margin: 0;
    white-space: pre-wrap;
}

/* ==================== Blog Post Page ==================== */
.blog-post-section {
    max-width: 900px;
    margin: 0 auto;
}

.blog-post-header {
    margin-bottom: var(--spacing-xl);
}

.blog-back-link {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--color-text);
    text-decoration: none;
    margin-bottom: var(--spacing-lg);
    font-size: 0.9rem;
    transition: color 0.3s ease;
}

.blog-back-link:hover {
    color: var(--color-accent);
}

.blog-post-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--color-heading);
    margin: 0 0 var(--spacing-md) 0;
    line-height: 1.2;
}

.blog-post-date {
    color: var(--color-border);
    font-size: 0.95rem;
    font-style: italic;
    margin: 0;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.blog-post-image {
    width: 100%;
    margin-bottom: var(--spacing-xl);
    border: var(--border-width) var(--border-style);
    overflow: hidden;
}

.blog-post-image img {
    width: 100%;
    height: auto;
    display: block;
    max-height: 500px;
    object-fit: cover;
}

.blog-post-content {
    line-height: 1.8;
    color: var(--color-text);
}

.blog-post-excerpt {
    font-size: 1.2rem;
    font-weight: 500;
    color: var(--color-heading);
    margin: 0 0 var(--spacing-xl) 0;
    line-height: 1.8;
}

.blog-post-body {
    font-size: 1rem;
    margin: 0;
    white-space: pre-wrap;
}

.blog-post-footer {
    margin-top: var(--spacing-xl);
    padding-top: var(--spacing-lg);
    border-top: var(--border-width) var(--border-style);
}

/* ==================== Responsive Design ==================== */
@media (max-width: 768px) {
    .header {
        margin: var(--spacing-sm) var(--spacing-lg) var(--spacing-sm) var(--spacing-lg); /* match container mobile margins */
        padding: var(--spacing-sm);
    }
    
    .nav-container {
        flex-direction: column;
        gap: var(--spacing-sm);
        max-width: none;
    }
    
    .nav-menu {
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .hero-section {
        grid-template-columns: 1fr;
        min-height: calc(100vh - 80px);
        align-items: start;
        padding-top: var(--spacing-lg);
    }
    
    .social-icons-grid {
        flex-wrap: wrap;
        justify-content: center;
        margin-left: 0; /* reset margin for mobile */
    }
    
    .hero-social-row {
        flex-direction: column;
        gap: var(--spacing-md);
        align-items: center;
    }
    
    .social-links-container {
        flex-direction: column;
        gap: var(--spacing-md);
        align-items: center;
        width: auto;
    }

    .section-title-row {
        flex-wrap: wrap;
    }
    
    .projects-grid {
        grid-template-columns: 1fr;
    }
    
    .contact-section {
        min-height: calc(100vh - 80px);
    }
    
    h1 { font-size: 2rem; }
    h2 { font-size: 1.5rem; }
    
    .hero-greeting {
        font-size: 2rem;
    }
}

/* ==================== Utility Classes ==================== */
.text-center { text-align: center; }
.text-right { text-align: right; }
.text-accent { color: var(--color-accent); }
.text-border { color: var(--color-border); }

.mt-sm { margin-top: var(--spacing-sm); }
.mt-md { margin-top: var(--spacing-md); }
.mt-lg { margin-top: var(--spacing-lg); }

.mb-sm { margin-bottom: var(--spacing-sm); }
.mb-md { margin-bottom: var(--spacing-md); }
.mb-lg { margin-bottom: var(--spacing-lg); }

.flex { display: flex; }
.flex-between { justify-content: space-between; }
.flex-center { justify-content: center; align-items: center; }
.gap-sm { gap: var(--spacing-sm); }
.gap-md { gap: var(--spacing-md); }