/* ============================================
   MODERN SHARK DESIGN SYSTEM v3.0 PREMIUM
   Ultra-Modern, Sophisticated Design
   ============================================ */

:root {
    /* Primary Colors with Depth */
    --primary: #0e7a8a;
    --primary-dark: #0c6a78;
    --primary-light: #1a9db5;
    --primary-lighter: #2ab5cd;

    /* Accent Colors - Neon Glow Effect */
    --accent: #00d4ff;
    --accent-dark: #00b8d4;
    --accent-light: #33e5ff;

    /* Status Colors */
    --success: #10b981;
    --success-dark: #059669;
    --warning: #f59e0b;
    --error: #ef4444;
    --error-dark: #dc2626;
    --info: #3b82f6;

    /* Neutral Colors - Enhanced */
    --text-primary: #C8E8F0;
    --text-secondary: #7BA8B8;
    --text-tertiary: #5a7a8a;
    --text-muted: #3d5568;

    /* Background - Gradient Ready */
    --bg-primary: #021820;
    --bg-secondary: #0a2635;
    --bg-tertiary: #0f3a4a;
    --bg-quaternary: #143a4a;

    /* Border & Shadow - Advanced */
    --border-color: #1a4a5a;
    --border-light: #2a5a6a;

    --shadow-xs: 0 1px 3px rgba(0, 0, 0, 0.2);
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.15);
    --shadow-md: 0 5px 15px rgba(0, 0, 0, 0.2);
    --shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 20px 60px rgba(0, 0, 0, 0.4);
    --shadow-xl: 0 30px 90px rgba(0, 0, 0, 0.5);

    /* Neon Glows */
    --glow-primary: 0 0 20px rgba(14, 122, 138, 0.5);
    --glow-accent: 0 0 20px rgba(0, 212, 255, 0.5);
    --glow-success: 0 0 20px rgba(16, 185, 129, 0.5);

    /* Typography */
    --font-family: 'Montserrat', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-family-mono: 'Courier New', monospace;
    --font-size-xs: 12px;
    --font-size-sm: 13px;
    --font-size-base: 15px;
    --font-size-lg: 18px;
    --font-size-xl: 20px;
    --font-size-2xl: 24px;
    --font-size-3xl: 32px;

    /* Spacing Scale */
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 12px;
    --spacing-lg: 16px;
    --spacing-xl: 24px;
    --spacing-2xl: 32px;
    --spacing-3xl: 48px;

    /* Border Radius */
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-2xl: 32px;

    /* Transitions & Animations */
    --transition-fast: all 0.15s cubic-bezier(0.4, 0, 0.2, 1);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-bounce: all 0.5s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

/* ============================================
   GLOBAL STYLES
   ============================================ */

* {
    box-sizing: border-box;
}

html, body, h1, h2, h3, h4, h5, h6, p, form, input, button, a, textarea {
    margin: 0;
    padding: 0;
    font-family: var(--font-family);
    color: var(--text-primary);
}

p {
    color: var(--text-secondary);
    line-height: 1.7;
    letter-spacing: 0.3px;
}

a {
    text-decoration: none;
    color: var(--accent);
    transition: var(--transition-fast);
    position: relative;
}

a::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent);
    transition: width 0.3s ease;
}

a:hover::after {
    width: 100%;
}

a:hover {
    color: var(--accent-light);
    text-shadow: 0 0 12px rgba(0, 212, 255, 0.4);
}

html, body {
    height: 100%;
    overflow: hidden;
    -ms-overflow-style: none;
    scrollbar-width: none;
}

html::-webkit-scrollbar,
body::-webkit-scrollbar {
    display: none;
}

body {
    background: linear-gradient(135deg, #0a3d5c 0%, #021820 50%, #0a3d5c 100%);
    background-attachment: fixed;
    background-repeat: no-repeat;
    position: relative;
}

body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        radial-gradient(circle at 20% 50%, rgba(14, 122, 138, 0.12) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(0, 212, 255, 0.08) 0%, transparent 50%),
        radial-gradient(circle at 50% 10%, rgba(26, 157, 181, 0.05) 0%, transparent 40%);
    pointer-events: none;
    z-index: 0;
    animation: backgroundShift 20s ease-in-out infinite;
}

@keyframes backgroundShift {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.95; }
}

/* ============================================
   FORM ELEMENTS - PREMIUM STYLING
   ============================================ */

input, select, textarea {
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--radius-md);
    font-size: var(--font-size-base);
    background-color: rgba(1, 16, 24, 0.6);
    color: var(--text-primary);
    outline: none;
    border: 1.5px solid var(--border-color);
    transition: var(--transition-fast);
    font-family: inherit;
    backdrop-filter: blur(15px);
    box-shadow: inset 0 1px 3px rgba(0, 0, 0, 0.3);
}

input:hover, select:hover, textarea:hover {
    background-color: rgba(1, 16, 24, 0.8);
    border-color: var(--primary);
    box-shadow:
        inset 0 1px 3px rgba(0, 0, 0, 0.3),
        0 0 15px rgba(14, 122, 138, 0.2);
}

input:focus, select:focus, textarea:focus {
    background-color: rgba(1, 16, 24, 0.95);
    border-color: var(--accent);
    box-shadow:
        inset 0 1px 3px rgba(0, 0, 0, 0.3),
        0 0 25px rgba(0, 212, 255, 0.4),
        inset 0 0 15px rgba(0, 212, 255, 0.1);
}

textarea {
    resize: vertical;
    min-height: 120px;
    font-family: var(--font-family-mono);
}

select::-ms-expand {
    background: transparent;
    border: none;
}

::placeholder {
    color: var(--text-muted);
    opacity: 0.8;
}

/* ============================================
   BUTTONS - PREMIUM INTERACTIVE
   ============================================ */

button {
    padding: var(--spacing-md) var(--spacing-xl);
    border-radius: var(--radius-md);
    font-size: var(--font-size-lg);
    color: var(--text-primary);
    outline: none;
    border: 1px solid transparent;
    cursor: pointer;
    transition: var(--transition-fast);
    font-weight: 600;
    letter-spacing: 0.8px;
    position: relative;
    overflow: hidden;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    box-shadow: var(--shadow-md);
    text-transform: uppercase;
    font-size: 14px;
}

button::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
    z-index: 0;
}

button:hover::before {
    width: 300px;
    height: 300px;
}

button:hover {
    background: linear-gradient(135deg, var(--primary-light) 0%, var(--accent) 100%);
    box-shadow:
        var(--shadow-lg),
        var(--glow-primary);
    transform: translateY(-2px);
    letter-spacing: 1.2px;
}

button:active {
    transform: translateY(0);
    box-shadow: var(--shadow-md);
}

button:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
}

/* Button Variants */
.btn-secondary {
    background: linear-gradient(135deg, rgba(14, 122, 138, 0.3) 0%, rgba(14, 122, 138, 0.1) 100%);
    border: 1.5px solid var(--primary);
    color: var(--accent);
    box-shadow: inset 0 0 10px rgba(14, 122, 138, 0.2);
}

.btn-secondary:hover {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    color: var(--text-primary);
    box-shadow:
        var(--shadow-lg),
        var(--glow-primary);
}

.btn-success {
    background: linear-gradient(135deg, var(--success) 0%, #059669 100%);
    box-shadow: var(--shadow-md), var(--glow-success);
}

.btn-success:hover {
    box-shadow:
        var(--shadow-lg),
        var(--glow-success),
        0 0 30px rgba(16, 185, 129, 0.5);
}

.btn-warning {
    background: linear-gradient(135deg, var(--warning) 0%, #d97706 100%);
}

.btn-warning:hover {
    box-shadow: var(--shadow-lg), 0 0 30px rgba(245, 158, 11, 0.4);
}

.btn-error {
    background: linear-gradient(135deg, var(--error) 0%, var(--error-dark) 100%);
    box-shadow: var(--shadow-md);
}

.btn-error:hover {
    box-shadow:
        var(--shadow-lg),
        0 0 30px rgba(239, 68, 68, 0.5);
}

/* ============================================
   CARDS & PANELS - GLASSMORPHISM
   ============================================ */

.card, .panel, .box {
    background: linear-gradient(135deg, rgba(10, 38, 53, 0.7) 0%, rgba(15, 58, 74, 0.7) 100%);
    border: 1px solid rgba(26, 74, 90, 0.8);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    box-shadow:
        var(--shadow-sm),
        inset 1px 1px 0px rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(20px);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
    transition: left 0.8s ease;
}

.card:hover::before {
    left: 100%;
}

.card:hover, .panel:hover, .box:hover {
    background: linear-gradient(135deg, rgba(10, 38, 53, 0.95) 0%, rgba(15, 58, 74, 0.95) 100%);
    border-color: rgba(0, 212, 255, 0.5);
    box-shadow:
        var(--shadow-lg),
        var(--glow-accent),
        inset 1px 1px 0px rgba(255, 255, 255, 0.1);
    transform: translateY(-8px);
}

/* ============================================
   TABLES - ADVANCED STYLING
   ============================================ */

table {
    width: 100%;
    border-collapse: collapse;
    background: transparent;
    overflow: hidden;
}

th {
    background: linear-gradient(135deg, rgba(14, 122, 138, 0.3) 0%, rgba(0, 212, 255, 0.1) 100%);
    padding: var(--spacing-lg) var(--spacing-lg);
    text-align: left;
    font-weight: 700;
    border-bottom: 2px solid var(--primary);
    color: var(--accent);
    letter-spacing: 1px;
    text-transform: uppercase;
    font-size: var(--font-size-sm);
    transition: var(--transition-fast);
}

td {
    padding: var(--spacing-lg);
    border-bottom: 1px solid rgba(26, 74, 90, 0.5);
    color: var(--text-secondary);
    transition: var(--transition-fast);
}

tr {
    transition: var(--transition-fast);
}

tr:hover td {
    background: linear-gradient(90deg, rgba(14, 122, 138, 0.2), rgba(0, 212, 255, 0.1));
    color: var(--text-primary);
    box-shadow: inset 5px 0px 0px var(--accent);
}

tr:last-child td {
    border-bottom: none;
}

/* ============================================
   TYPOGRAPHY - HIERARCHY
   ============================================ */

h1, h2, h3, h4, h5, h6 {
    color: var(--text-primary);
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
    letter-spacing: -0.5px;
}

h1 {
    font-size: var(--font-size-3xl);
    letter-spacing: -1px;
    background: linear-gradient(135deg, var(--text-primary) 0%, var(--accent) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

h2 {
    font-size: var(--font-size-2xl);
    letter-spacing: -0.5px;
    background: linear-gradient(135deg, var(--text-primary) 0%, var(--accent-light) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

h3 {
    font-size: var(--font-size-xl);
    color: var(--accent);
}

h4 {
    font-size: var(--font-size-lg);
}

h5 {
    font-size: var(--font-size-base);
    text-transform: uppercase;
    letter-spacing: 1px;
}

h6 {
    font-size: var(--font-size-sm);
    text-transform: uppercase;
    color: var(--text-tertiary);
}

/* ============================================
   UTILITIES & HELPERS
   ============================================ */

.text-primary { color: var(--text-primary); }
.text-secondary { color: var(--text-secondary); }
.text-accent { color: var(--accent); }
.text-success { color: var(--success); }
.text-error { color: var(--error); }
.text-warning { color: var(--warning); }

.text-center { text-align: center; }
.text-right { text-align: right; }
.text-left { text-align: left; }

.flex { display: flex; }
.flex-center { display: flex; align-items: center; justify-content: center; }
.flex-between { display: flex; align-items: center; justify-content: space-between; }
.flex-col { flex-direction: column; }

.gap-xs { gap: var(--spacing-xs); }
.gap-sm { gap: var(--spacing-sm); }
.gap-md { gap: var(--spacing-md); }
.gap-lg { gap: var(--spacing-lg); }
.gap-xl { gap: var(--spacing-xl); }

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

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

.p-sm { padding: var(--spacing-sm); }
.p-md { padding: var(--spacing-md); }
.p-lg { padding: var(--spacing-lg); }
.p-xl { padding: var(--spacing-xl); }

.rounded { border-radius: var(--radius-md); }
.rounded-sm { border-radius: var(--radius-sm); }
.rounded-lg { border-radius: var(--radius-lg); }
.rounded-xl { border-radius: var(--radius-xl); }

/* Badges & Labels */
.badge {
    display: inline-block;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-xl);
    font-size: var(--font-size-xs);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    background: linear-gradient(135deg, rgba(14, 122, 138, 0.5), rgba(0, 212, 255, 0.3));
    border: 1px solid var(--accent);
    color: var(--accent);
    box-shadow: 0 0 10px rgba(0, 212, 255, 0.3);
}

.badge-success {
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.5), rgba(16, 185, 129, 0.3));
    border-color: var(--success);
    color: var(--success);
}

.badge-error {
    background: linear-gradient(135deg, rgba(239, 68, 68, 0.5), rgba(239, 68, 68, 0.3));
    border-color: var(--error);
    color: var(--error);
}

/* ============================================
   ANIMATIONS - ADVANCED
   ============================================ */

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(15px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateX(-25px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(25px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.6;
    }
}

@keyframes glow {
    0%, 100% {
        box-shadow: 0 0 10px rgba(0, 212, 255, 0.3);
    }
    50% {
        box-shadow: 0 0 30px rgba(0, 212, 255, 0.6);
    }
}

@keyframes float {
    0%, 100% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-8px);
    }
}

@keyframes shimmer {
    0% {
        background-position: -1000px 0;
    }
    100% {
        background-position: 1000px 0;
    }
}

@keyframes bounce {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-10px);
    }
}

@keyframes spin {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(360deg);
    }
}

.animate-fade-in {
    animation: fadeIn 0.6s ease-out;
}

.animate-slide-in {
    animation: slideIn 0.6s ease-out;
}

.animate-slide-in-right {
    animation: slideInRight 0.6s ease-out;
}

.animate-pulse {
    animation: pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

.animate-glow {
    animation: glow 2.5s ease-in-out infinite;
}

.animate-float {
    animation: float 3s ease-in-out infinite;
}

.animate-bounce {
    animation: bounce 1s ease-in-out infinite;
}

.animate-spin {
    animation: spin 1s linear infinite;
}

/* ============================================
   STATUS INDICATORS
   ============================================ */

.indicator {
    display: inline-block;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    margin-right: var(--spacing-sm);
    animation: pulse 2s infinite;
}

.indicator-success { background: var(--success); box-shadow: var(--glow-success); }
.indicator-error { background: var(--error); }
.indicator-warning { background: var(--warning); }
.indicator-info { background: var(--info); }

/* ============================================
   PAGE-SPECIFIC LAYOUTS
   ============================================ */

.page-wrapper {
    width: 100%;
    height: 100%;
    display: flex;
    background: transparent;
    position: relative;
    z-index: 1;
}

.sidebar-layout {
    display: flex;
    width: 100%;
    height: 100%;
}

.sidebar {
    width: 17%;
    height: 100%;
    overflow-y: auto;
    border-right: 1px solid var(--border-color);
}

.main-content {
    width: 83%;
    height: 100%;
    overflow-y: auto;
    padding: var(--spacing-xl);
}

/* ============================================
   CHECKER PAGE STYLES
   ============================================ */

.telegram-banner {
    position: relative;
    background: linear-gradient(135deg, rgba(0, 150, 200, 0.2) 0%, rgba(0, 100, 150, 0.2) 100%);
    border: 1px solid var(--primary);
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition);
    margin-bottom: var(--spacing-xl);
}

.telegram-banner:hover {
    background: linear-gradient(135deg, rgba(0, 150, 200, 0.4) 0%, rgba(0, 100, 150, 0.4) 100%);
    box-shadow: var(--shadow), var(--glow-primary);
    transform: translateY(-2px);
}

.telegram-banner p {
    color: white;
    font-weight: bold;
    margin: 0;
}

.telegram-banner img {
    margin-left: var(--spacing-lg);
    width: 30px;
    height: 30px;
}

.advertisement-section {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 100%;
    margin: var(--spacing-xl) 0;
}

.advertisement-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
    width: 85%;
}

.advertisement-card {
    position: relative;
    background: linear-gradient(135deg, rgba(14, 122, 138, 0.2) 0%, rgba(14, 122, 138, 0.1) 100%);
    border: 1px solid var(--border-color);
    cursor: pointer;
    transition: var(--transition);
    min-height: 100px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-md);
    overflow: hidden;
}

.advertisement-card:hover {
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.2) 0%, rgba(0, 212, 255, 0.1) 100%);
    border-color: var(--accent);
    box-shadow: var(--shadow), var(--glow-accent);
    transform: translateY(-4px);
}

.advertisement-card p {
    color: white;
    font-weight: bold;
    text-align: center;
    margin: 0;
}

.checker-section {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: column;
    width: 100%;
    margin: var(--spacing-2xl) 0;
}

.checker-container {
    width: 85%;
    max-width: 800px;
}

.checker-title {
    font-size: 28px;
    font-weight: 700;
    margin-bottom: var(--spacing-xl);
    text-align: center;
}

.card-input-wrapper {
    background: linear-gradient(135deg, rgba(10, 38, 53, 0.6) 0%, rgba(15, 58, 74, 0.6) 100%);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
    backdrop-filter: blur(10px);
    box-shadow: inset 0 1px 3px rgba(0, 0, 0, 0.3);
}

#cardData {
    width: 100%;
    min-height: 150px;
    background-color: transparent;
    border: none;
    outline: none;
    resize: vertical;
    color: var(--text-primary);
    font-family: var(--font-family-mono);
    font-size: 13px;
}

.checker-controls {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.checker-controls input {
    text-align: center;
}

.checker-controls button {
    min-height: 44px;
}

.results-container {
    margin: var(--spacing-2xl) 0;
}

.results-section {
    background: linear-gradient(135deg, rgba(10, 38, 53, 0.7) 0%, rgba(15, 58, 74, 0.7) 100%);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-2xl);
    backdrop-filter: blur(10px);
}

.results-section h2 {
    margin-bottom: var(--spacing-lg);
    font-size: 20px;
}

.results-section table {
    width: 100%;
    font-size: 13px;
}

.results-section tbody tr:hover {
    background: rgba(0, 212, 255, 0.1);
}

/* ============================================
   CHAT PAGE STYLES
   ============================================ */

.chat-container {
    display: flex;
    width: 100%;
    height: 100%;
}

.chat-main {
    width: 83%;
    height: 100%;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    padding: var(--spacing-lg);
}

.chat-box {
    flex: 1;
    overflow-y: auto;
    background: linear-gradient(135deg, rgba(10, 38, 53, 0.6) 0%, rgba(15, 58, 74, 0.6) 100%);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-md);
    backdrop-filter: blur(10px);
}

.message-item {
    background: linear-gradient(135deg, rgba(14, 122, 138, 0.2) 0%, rgba(14, 122, 138, 0.1) 100%);
    border-left: 3px solid var(--primary);
    padding: var(--spacing-md) var(--spacing-lg);
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    margin-bottom: var(--spacing-md);
    border-radius: var(--radius-md);
    transition: var(--transition-fast);
}

.message-item:hover {
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.2) 0%, rgba(0, 212, 255, 0.1) 100%);
    border-left-color: var(--accent);
    box-shadow: var(--shadow-sm);
    transform: translateX(4px);
}

.message-content {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    flex: 1;
}

.message-content h4 {
    margin: 0;
    color: var(--accent);
    font-size: 14px;
    min-width: 100px;
}

.message-content p {
    margin: 0;
    color: var(--text-secondary);
}

.message-admin h4 {
    color: var(--error);
    text-transform: uppercase;
    font-size: 12px;
    letter-spacing: 1px;
}

.message-date {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    min-width: 120px;
    justify-content: flex-end;
}

.message-date p {
    margin: 0;
    color: var(--text-tertiary);
    font-size: 12px;
}

.btn-delete-message {
    padding: 4px 8px;
    background: linear-gradient(135deg, var(--error) 0%, var(--error-dark) 100%);
    border: none;
    border-radius: var(--radius-sm);
    color: white;
    font-size: 12px;
    cursor: pointer;
    transition: var(--transition-fast);
    min-width: 30px;
}

.btn-delete-message:hover {
    box-shadow: 0 0 15px rgba(239, 68, 68, 0.6);
    transform: scale(1.05);
}

.chat-input-wrapper {
    background: linear-gradient(135deg, rgba(10, 38, 53, 0.6) 0%, rgba(15, 58, 74, 0.6) 100%);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-md);
    backdrop-filter: blur(10px);
}

#usermessage {
    width: 100%;
    min-height: 44px;
    background: transparent;
}

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */

@media (max-width: 1024px) {
    .advertisement-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    :root {
        --font-size-base: 14px;
        --font-size-lg: 16px;
        --spacing-xl: 16px;
    }

    .sidebar {
        width: 25%;
    }

    .main-content {
        width: 75%;
    }

    h1 { font-size: 24px; }
    h2 { font-size: 20px; }
    h3 { font-size: 18px; }

    input, select, textarea {
        padding: var(--spacing-sm) var(--spacing-md);
        font-size: 16px;
    }

    button {
        padding: var(--spacing-sm) var(--spacing-lg);
    }

    .card, .panel, .box {
        padding: var(--spacing-lg);
    }
}

@media (max-width: 480px) {
    :root {
        --font-size-base: 13px;
        --spacing-lg: 12px;
        --spacing-xl: 16px;
    }

    .sidebar {
        width: 35%;
    }

    .main-content {
        width: 65%;
    }

    h1 { font-size: 20px; }
    h2 { font-size: 18px; }

    .card, .panel, .box {
        padding: var(--spacing-md);
    }

    td {
        padding: var(--spacing-sm) var(--spacing-md);
    }
}

/* ============================================
   SCROLLBAR STYLING
   ============================================ */

::-webkit-scrollbar {
    width: 10px;
    height: 10px;
}

::-webkit-scrollbar-track {
    background: transparent;
}

::-webkit-scrollbar-thumb {
    background: linear-gradient(180deg, var(--primary), var(--accent));
    border-radius: 5px;
    transition: var(--transition-fast);
    box-shadow: 0 0 10px rgba(0, 212, 255, 0.2);
}

::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(180deg, var(--accent), var(--accent-light));
    box-shadow: 0 0 15px rgba(0, 212, 255, 0.5);
}

/* ============================================
   LOADING & STATES
   ============================================ */

.skeleton {
    background: linear-gradient(90deg, rgba(14, 122, 138, 0.2), rgba(0, 212, 255, 0.1), rgba(14, 122, 138, 0.2));
    background-size: 200% 100%;
    animation: shimmer 2s infinite;
    border-radius: var(--radius-md);
}

.loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid rgba(0, 212, 255, 0.2);
    border-top: 3px solid var(--accent);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

/* ============================================
   PRINT STYLES
   ============================================ */

@media print {
    body::before {
        display: none;
    }

    button, .btn-secondary, .btn-success {
        box-shadow: none;
    }
}