/* ==========================================================================
   NATIVE CSS CUSTOM PROPERTIES (THEMING ENGINE)
   ========================================================================== */

/* Light Theme Configuration - Set as Default Base */
:root,
:root[data-theme="light"] {
    --bg-primary: #f8fafc;
    --bg-secondary: #ffffff;
    --bg-accent: #f1f5f9;
    --text-primary: #0f172a;
    --text-secondary: #64748b;
    --accent-glow: #e11d48;
    --gradient-primary: linear-gradient(to right, rgb(6, 246, 6), rgba(206, 206, 6, 0.927), red, yellow, rgb(6, 246, 6));
    --gradient-primary2: linear-gradient(to right, rgb(6, 246, 6), rgb(135, 98, 18), red, rgb(166, 118, 6), rgb(6, 246, 6));
    --card-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
    --modal-overlay: rgba(15, 23, 42, 0.6);
    --logo-border: #7be011;
    --logo-borde1: #00e5ff;
    --test-color: #ff0000;
}

/* Dark Theme Variant */
:root[data-theme="dark"] {
    --bg-primary: #121212;
    --bg-secondary: #1a1a1a;
    --bg-accent: #242424;
    --text-primary: #ffffff;
    --text-secondary: #aaaaaa;
    --accent-glow: #ff9f43;
    --card-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
    --modal-overlay: rgba(0, 0, 0, 0.75);
}

/* ==========================================================================
   RESET & SYSTEM STYLES LINKED TO VARIABLE ENGINES
   ========================================================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    transition: background-color 0.3s ease, color 0.3s ease, border-color 0.3s ease;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    line-height: 1.6;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    overflow-x: hidden;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* ==========================================================================
   COMPONENTS & BRANDING STYLES
   ========================================================================== */
.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 5%;
    background-color: var(--bg-secondary);
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: var(--card-shadow);
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 12px;
}

/* Completely Round Logo Implementation */
.alufest__logo {
    width: 45px;
    height: 45px;
    border-radius: 50%;
    overflow: hidden;
    border: 2px solid var(--logo-border);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.alufest__logo img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.logo {
    font-weight: 700;
    font-size: 1.1rem;
    color: var(--text-primary);
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 20px;
}

.nav-links a {
    color: var(--text-primary);
    text-decoration: none;
    font-size: 1rem;
    font-weight: 500;
}

.nav-links a:hover {
    color: var(--accent-glow);
}

.theme__btn {
    cursor: pointer;
    font-size: 1.3rem;
    color: var(--text-primary);
    padding: 5px;
}

.menu-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 1.8rem;
    cursor: pointer;
}

/* ==========================================================================
   HERO LAYOUT WITH GRADIENT TYPOGRAPHY
   ========================================================================== */
.hero {
    padding: 6rem 5% 4rem;
    text-align: center;
    max-width: 900px;
    margin: 0 auto;
}

/* Gradient Map: Hero Heading */
.hero h1 {
    font-size: 2.8rem;
    font-weight: 800;
    margin-bottom: 1rem;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    color: transparent; /* Fallback support */
}

.hero h1 span {
    background: var(--gradient-primary2);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero h4 {
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.hero p {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
}

.countdown-container {
    display: flex;
    justify-content: center;
    gap: 15px;
    margin-bottom: 2.5rem;
}

.countdown-box {
    background: var(--bg-secondary);
    padding: 10px 20px;
    border-radius: 8px;
    min-width: 75px;
    border: 1px solid var(--bg-accent);
    box-shadow: var(--card-shadow);
}

.countdown-box span {
    display: block;
    font-size: 1.8rem;
    font-weight: bold;
    color: var(--text-primary);
}

.countdown-box label {
    font-size: 0.8rem;
    color: var(--text-secondary);
}

/* Gradient Map: Primary Action Registration Buttons */
.btn-primary {
    display: inline-block;
    background: var(--gradient-primary);
    color: #ffffff !important;
    padding: 1rem 2.5rem;
    text-decoration: none;
    font-weight: bold;
    border-radius: 30px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.15);
    transition: transform 0.2s, box-shadow 0.2s;
    border: none;
}

.btn-primary:hover {
    transform: scale(1.03);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.2);
}


/* START HOSTS MODAL STYLES */
        :root {
            --bg-color: #f8f9fa;
            --card-bg: #ffffff;
            --text-main: #212529;
            --text-muted: #6c757d;
            --overlay-bg: rgba(15, 23, 42, 0.4);
            --modal-bg: #ffffff;
            --accent: #0f172a;
            --radius-lg: 12px;
            --radius-md: 8px;
            --transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
        }

        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
            background-color: var(--bg-color);
            color: var(--text-main);
            line-height: 1.6;
            padding: 2rem;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
        }

        h1 {
            text-align: center;
            margin-top: 1rem;
            margin-bottom: 3rem;
            font-weight: 500;
            letter-spacing: -0.025em;
            font-size: 2.25rem;
        }

        /* Grid & Responsive Cards */
        .grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
            gap: 2.5rem;
        }

        .card {
            background: var(--card-bg);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.03), 0 2px 4px -1px rgba(0, 0, 0, 0.02);
            transition: var(--transition);
            cursor: pointer;
        }

        .card:hover {
            transform: translateY(-6px);
            box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.06), 0 10px 10px -5px rgba(0, 0, 0, 0.03);
        }

        .card-image-wrapper {
            position: relative;
            width: 100%;
            padding-top: 66.67%; /* 3:2 Aspect Ratio */
            overflow: hidden;
            background-color: #e2e8f0;
        }

        .card-image-wrapper img {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: var(--transition);
        }

        .card:hover .card-image-wrapper img {
            transform: scale(1.04);
        }

        .card-content {
            padding: 1.5rem;
        }

        .card-title {
            font-size: 1.25rem;
            font-weight: 600;
            margin-bottom: 0.5rem;
            letter-spacing: -0.01em;
        }

        .card-description {
            font-size: 0.95rem;
            color: var(--text-muted);
        }

        /* Modal Overlay */
        .modal-overlay {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: var(--overlay-bg);
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
            display: flex;
            justify-content: center;
            align-items: center;
            z-index: 1000;
            opacity: 0;
            pointer-events: none;
            transition: opacity 0.4s ease;
            padding: 1.5rem;
        }

        .modal-overlay.active {
            opacity: 1;
            pointer-events: auto;
        }

        /* Modal Window Box */
        .modal-window {
            background: var(--modal-bg);
            width: 100%;
            max-width: 900px;
            max-height: 85vh;
            border-radius: var(--radius-lg);
            box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.15);
            display: flex;
            flex-direction: column;
            overflow: hidden;
            transform: scale(0.96) translateY(15px);
            transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
        }

        .modal-overlay.active .modal-window {
            transform: scale(1) translateY(0);
        }

        /* Sticky Header */
        .modal-header {
            padding: 1.5rem 2.5rem;
            border-bottom: 1px solid #f1f5f9;
            display: flex;
            justify-content: space-between;
            align-items: center;
            background: var(--modal-bg);
            position: sticky;
            top: 0;
            z-index: 10;
        }

        .modal-title {
            font-size: 1.6rem;
            font-weight: 600;
            letter-spacing: -0.02em;
        }

        .modal-close {
            background: none;
            border: none;
            font-size: 2rem;
            cursor: pointer;
            color: var(--text-muted);
            width: 40px;
            height: 40px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            transition: var(--transition);
            line-height: 1;
        }

        .modal-close:hover {
            background-color: #f1f5f9;
            color: var(--text-main);
        }

        /* Scrollable Content Body */
        .modal-body {
            padding: 2.5rem;
            overflow-y: auto;
            font-size: 1.05rem;
            color: #334155;
            line-height: 1.8;
        }

        .modal-body p {
            margin-bottom: 1.2rem;
            text-align: justify;
        }

        /* Advanced Wrapping Elements */
        .inline-figure {
            margin: 0.5rem;
            width: 46%;
            max-width: 380px;
            display: flex;
            flex-direction: column;
        }

        .inline-figure img {
            width: 100%;
            height: auto;
            border-radius: var(--radius-md);
            display: block;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
        }

        .inline-caption {
            font-size: 0.85rem;
            color: var(--text-muted);
            line-height: 1.4;
            margin-top: 0.6rem;
            text-align: left;
            font-style: italic;
            border-left: 2px solid #cbd5e1;
            padding-left: 0.6rem;
        }

        /* Clean Alternating Floats */
        .float-left {
            float: left;
            margin-right: 2rem;
            margin-bottom: 1.2rem;
        }

        .float-right {
            float: right;
            margin-left: 2rem;
            margin-bottom: 1.2rem;
        }

        /* Clearfix to secure container boundaries */
        .modal-body::after {
            content: "";
            clear: both;
            display: table;
        }

        /* Responsive Breakpoints */
        @media (max-width: 768px) {
            body {
                padding: 1rem;
            }
            .modal-header {
                padding: 1.25rem 1.5rem;
            }
            .modal-body {
                padding: 1.5rem;
            }
            .inline-figure {
                width: 100%;
                float: none !important;
                margin: 1.5rem 0;
                max-width: 100%;
            }
            .modal-body p {
                text-align: left;
            }
        }
   /* END HOSTS MODAL STYLES */

/* ==========================================================================
   SECTIONS & GRADIENT BORDERS
   ========================================================================== */
section {
    padding: 4rem 5%;
}

/* Gradient Map: Section Underline Border Markers */
.section-title {
    text-align: center;
    font-size: 2rem;
    margin-bottom: 3rem;
}

.section-title::after {
    content: '';
    display: block;
    width: 60px;
    height: 4px;
    background: var(--gradient-primary2);
    border-radius: 2px;
    margin: 10px auto 0;
}

.about-grid {
    margin-bottom: 3rem;
}

.about-card {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
    align-items: center;
    background: var(--bg-secondary);
    padding: 24px;
    border-radius: 12px;
    border: 1px solid var(--bg-accent);
    box-shadow: var(--card-shadow);
}

.about-text p {
    margin-bottom: 1rem;
    color: var(--text-secondary);
}

.about-text ol, .about-text ul {
    margin-left: 20px;
    margin-bottom: 1rem;
    color: var(--text-secondary);
}

.about-text li {
    margin-bottom: 0.5rem;
}

.who_is {
    color: var(--text-primary);
    margin-bottom: 1rem;
    font-size: 1.4rem;
}

/* Speakers & Hosts Grid Layout */
.speakers-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.speaker-card {
    background: var(--bg-secondary);
    border-radius: 12px;
    overflow: hidden;
    border: 1px solid var(--bg-accent);
    box-shadow: var(--card-shadow);
    transition: transform 0.3s;
}

.speaker-card:hover {
    transform: translateY(-5px);
}

.speaker-img-wrapper img {
    width: 100%;
    height: 320px;
    object-fit: cover;
}

.speaker-info {
    padding: 20px;
    text-align: center;
}

.speaker-info h3 {
    margin-bottom: 10px;
    color: var(--text-primary);
}

.speaker-info p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: 4px;
}

/* Media/Banner Layouts */
.media-banner .responsive-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
}

.media-banner img {
    border-radius: 8px;
    width: 100%;
}

/* ==========================================================================
   MOBILE LAYOUT OVERRIDES
   ========================================================================== */
@media (max-width: 768px) {
    .menu-toggle {
        display: block;
    }

    .nav-links {
        display: none;
        flex-direction: column;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background-color: var(--bg-secondary);
        padding: 20px;
        gap: 15px;
        border-top: 1px solid var(--bg-accent);
        box-shadow: var(--card-shadow);
    }

    .nav-links.active {
        display: flex;
    }

    .nav-links li {
        width: 100%;
        text-align: center;
    }

    .nav-links a {
        display: block;
        padding: 10px;
        font-size: 1.2rem;
    }

    .hero h1 {
        font-size: 1.9rem;
    }

    .countdown-container {
        flex-wrap: wrap;
    }

    .about-card {
        grid-template-columns: 1fr;
    }
}

/* Decorative highlight mapping on countdown tracking boxes */
.countdown-box {
    border: 1px solid transparent !important;
    background: linear-gradient(var(--bg-secondary), var(--bg-secondary)) padding-box,
                var(--gradient-primary2) border-box !important;
}

.countdown-box span {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    color: transparent;
}

/* ==========================================================================
   REGISTRATION FORM & FIELD STYLES (THEME INTEGRATION)
   ========================================================================== */
.register-container {
    max-width: 600px;
    margin: 2rem auto;
    padding: 2.5rem;
    background-color: var(--bg-secondary);
    border-radius: 16px;
    border: 1px solid var(--bg-accent);
    box-shadow: var(--card-shadow);
}

.form-group {
    margin-bottom: 1.5rem;
    text-align: left;
}

.form-group label {
    display: block;
    font-size: 0.95rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

/* Adaptive Input, Textarea, and Select Field Elements */
.form-control {
    width: 100%;
    padding: 0.8rem 1rem;
    font-size: 1rem;
    font-family: inherit;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    border: 2px solid var(--bg-accent);
    border-radius: 8px;
    outline: none;
    transition: border-color 0.25s ease, box-shadow 0.25s ease;
}

/* Dropdown arrow adaptation for select tags */
select.form-control {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml;charset=UTF-8,%3Csvg xmlns='http://w3.org' viewBox='0 0 24 24' fill='none' stroke='%2364748b' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1rem center;
    background-size: 1em;
    padding-right: 2.5rem;
}

/* Focus States mapping your Accent Glow token */
.form-control:focus {
    border-color: var(--accent-glow);
    box-shadow: 0 0 0 3px rgba(225, 29, 72, 0.15);
}

/* Form Helper or Small Description Text */
.form-text {
    display: block;
    margin-top: 0.4rem;
    font-size: 0.8rem;
    color: var(--text-secondary);
}

/* Checkbox & Radio layout refinements */
.form-check {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-top: 0.5rem;
    cursor: pointer;
}

.form-check input[type="checkbox"] {
    width: 18px;
    height: 18px;
    accent-color: var(--accent-glow);
    cursor: pointer;
}

/* Form submission button layout */
.btn-submit {
    width: 100%;
    margin-top: 1rem;
    cursor: pointer;
}

/* ==========================================================================
   SIMPLE GALLERY CARD GRID SYSTEM
   ========================================================================== */
.gallery-wrapper {
    padding: 3rem 5%;
    max-width: 1200px;
    margin: 0 auto;
}

.gallery-header {
    text-align: center;
    margin-bottom: 3rem;
}

.gallery-header p {
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
    font-size: 1.1rem;
}

/* Evenly distributed grid layout */
.simple-gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 25px;
}

/* Clean, standard picture card container */
.gallery-card {
    background-color: var(--bg-secondary);
    border-radius: 12px;
    overflow: hidden;
    border: 1px solid var(--bg-accent);
    box-shadow: var(--card-shadow);
    transition: transform 0.25s ease, box-shadow 0.25s ease;
}

/* Clean image window with locked aspect ratio heights */
.card-image-box {
    width: 100%;
    height: 220px;
    overflow: hidden;
}

.card-image-box img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* Card Caption Underneath */
.card-caption {
    padding: 20px;
    text-align: left;
}

.card-caption h3 {
    font-size: 1.15rem;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.card-caption p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.4;
}

/* Subtle, polished micro-interaction glow on focus */
.gallery-card:hover {
    transform: translateY(-4px);
    border-color: transparent;
    background: linear-gradient(var(--bg-secondary), var(--bg-secondary)) padding-box,
                var(--gradient-primary2) border-box;
}

/* Responsive adjustment for single-column mobile viewports */
@media (max-width: 576px) {
    .simple-gallery-grid {
        grid-template-columns: 1fr;
    }
}
/* ==========================================================================
   SIMPLE GALLERY CARD GRID SYSTEM
   ========================================================================== */
.gallery-wrapper {
    padding: 3rem 5%;
    max-width: 1200px;
    margin: 0 auto;
}

.gallery-header {
    text-align: center;
    margin-bottom: 3rem;
}

.gallery-header p {
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
    font-size: 1.1rem;
}

/* Evenly distributed grid layout */
.simple-gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 25px;
}

/* Clean, standard picture card container */
.gallery-card {
    background-color: var(--bg-secondary);
    border-radius: 12px;
    overflow: hidden;
    border: 1px solid var(--bg-accent);
    box-shadow: var(--card-shadow);
    transition: transform 0.25s ease, box-shadow 0.25s ease;
}

/* Clean image window with locked aspect ratio heights */
.card-image-box {
    width: 100%;
    height: 420px;
    overflow: hidden;
}

.card-image-box img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* Card Caption Underneath */
.card-caption {
    padding: 20px;
    text-align: left;
}

.card-caption h3 {
    font-size: 1.15rem;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.card-caption p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.4;
}

/* Subtle, polished micro-interaction glow on focus */
.gallery-card:hover {
    transform: translateY(-4px);
    border-color: transparent;
    background: linear-gradient(var(--bg-secondary), var(--bg-secondary)) padding-box,
                var(--gradient-primary2) border-box;
}

/* Responsive adjustment for single-column mobile viewports */
@media (max-width: 576px) {
    .simple-gallery-grid {
        grid-template-columns: 1fr;
    }
}



/* Responsive adjustment for small mobile windows */
/* ==========================================================================
   UNIVERSAL MOBILE RESPONSIVE NAV FIX (Place at the absolute bottom of CSS)
   ========================================================================== */
@media (max-width: 768px) {
    /* 1. Ensure the toggle button icon is visible */
    .menu-toggle {
        display: block !important;
        background: none !important;
        border: none !important;
        color: var(--text-primary) !important;
        font-size: 1.8rem !important;
        cursor: pointer !important;
        z-index: 1010 !important;
    }

    /* 2. Style the hidden mobile dropdown drawer drawer */
    .nav-links {
        display: none !important; /* Kept hidden by default */
        flex-direction: column !important;
        position: absolute !important;
        top: 100% !important;
        left: 0 !important;
        width: 100% !important;
        background-color: var(--bg-secondary) !important;
        padding: 20px !important;
        gap: 15px !important;
        border-top: 1px solid var(--bg-accent) !important;
        box-shadow: var(--card-shadow) !important;
        z-index: 1005 !important;
        margin: 0 !important;
    }

    /* 3. CRITICAL FIX: The active selector to make it open */
    .nav-links.active {
        display: flex !important; /* Overrides the display none perfectly on tap */
    }

    /* 4. Link item layout adjustments inside mobile drawer */
    .nav-links li {
        width: 100% !important;
        text-align: center !important;
    }

    .nav-links a {
        display: block !important;
        padding: 12px !important;
        font-size: 1.2rem !important;
        color: var(--text-primary) !important;
        text-decoration: none !important;
        width: 100% !important;
    }

    /* 5. Force the main hero area to cascade beneath the open menu drawer */
    .hero {
        padding: 4rem 5% 3rem !important;
    }
}

/* ==========================================================================
   MOBILE NAVIGATION RESPONSIVE BREAKPOINT (Under 768px screens)
   ========================================================================== */
@media screen and (max-width: 768px) {
    /* Show the hamburger icon */
    .menu-toggle {
        display: block;
    }

    /* Transform the horizontal link row into a hidden mobile dropdown panel */
    .nav-links {
        display: none;
        flex-direction: column;
        position: absolute;
        top: 100%; /* Sits cleanly directly beneath the sticky navbar line */
        left: 0;
        width: 100%;
        background-color: var(--bg-secondary);
        padding: 1.5rem 5%;
        box-shadow: 0 4px 10px rgba(0, 0, 0, 0.15);
        gap: 15px;
    }

    /* CRITICAL ELEMENT FIX: Displays the panel layout row when active class is toggled via JS */
    .nav-links.active {
        display: flex;
    }

    /* Stack individual links centered and clear room for thumbs to tap */
    .nav-links li {
        width: 100%;
        text-align: left;
        padding: 5px 0;
    }

    .nav-links a {
        display: block;
        width: 100%;
        font-size: 1.1rem;
    }
}


/* ==========================================================================
   REGISTRATION PORTAL STYLES
   ========================================================================== */
#register {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: calc(100vh - 140px); /* Subtracts header/footer height to center vertically */
    padding: 3rem 5%;
    background-color: var(--bg-primary, #f9f9f9);
}

.reg-container {
    width: 100%;
    max-width: 750px; /* Restricts the card width on large screens */
    background-color: var(--bg-secondary, #ffffff);
    padding: 2.5rem;
    border-radius: 16px; /* Smooth card corners */
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08); /* Soft drop shadow */
}

#regForm {
    display: flex;
    flex-direction: column;
    gap: 20px; /* Balanced spacing between form groups */
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px; /* Spacing between label and input */
    width: 100%;
}

.form-group label {
    font-weight: 600;
    font-size: 1.05rem;
    color: var(--text-primary, #333333);
    text-align: left;
}

/* Styled Inputs, Select, and Fields */
.form-group input,
.form-group select {
    width: 100%;
    padding: 14px 18px; /* Roomy typing area */
    font-size: 1.1rem; /* Increased readable text size */
    border: 1.5px solid var(--border-color, #cccccc);
    border-radius: 10px; /* Softly rounded corners for inputs */
    background-color: var(--bg-secondary, #ffffff);
    color: var(--text-primary, #222222);
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
    outline: none;
    box-sizing: border-box;
}

/* Input Focus Glow Effects */
.form-group input:focus,
.form-group select:focus {
    border-color: var(--accent-glow, #007bff);
    box-shadow: 0 0 0 4px rgba(0, 123, 255, 0.15); /* Soft premium rings */
}

/* Standardized Button Layout Overrides */
#regForm .btn-primary {
    font-size: 1.15rem; /* Larger button text */
    padding: 14px;
    border-radius: 8px; /* Matching rounded corners */
    font-weight: 600;
    cursor: pointer;
    border: none;
    transition: background-color 0.2s ease;
}