/* ========================================
   Bitcoin Portal — Custom Styles
   ======================================== */

/* Import Google Font */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&display=swap');

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

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background-color: #0a0a0a;
    color: #ffffff;
    min-height: 100vh;
    overflow-x: hidden;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 6px;
}
::-webkit-scrollbar-track {
    background: #111111;
}
::-webkit-scrollbar-thumb {
    background: #333333;
    border-radius: 3px;
}
::-webkit-scrollbar-thumb:hover {
    background: #555555;
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

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

@keyframes pulse-glow {
    0%, 100% { box-shadow: 0 0 20px rgba(247, 147, 26, 0.2); }
    50% { box-shadow: 0 0 40px rgba(247, 147, 26, 0.4); }
}

@keyframes shimmer {
    0% { background-position: -200% 0; }
    100% { background-position: 200% 0; }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(20px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.9);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

@keyframes gradient-shift {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

/* Utility Animation Classes */
.animate-fade-in-up {
    animation: fadeInUp 0.8s ease-out forwards;
}

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

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

.animate-pulse-glow {
    animation: pulse-glow 2s ease-in-out infinite;
}

.animate-scale-in {
    animation: scaleIn 0.5s ease-out forwards;
}

.delay-100 { animation-delay: 0.1s; }
.delay-200 { animation-delay: 0.2s; }
.delay-300 { animation-delay: 0.3s; }
.delay-400 { animation-delay: 0.4s; }
.delay-500 { animation-delay: 0.5s; }
.delay-600 { animation-delay: 0.6s; }

/* Gradient Text */
.gradient-text {
    background: linear-gradient(135deg, #f7931a, #ffb347, #f7931a);
    background-size: 200% auto;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: gradient-shift 3s ease-in-out infinite;
}

.gradient-text-white {
    background: linear-gradient(135deg, #ffffff, #a0a0a0, #ffffff);
    background-size: 200% auto;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Glass Effect */
.glass {
    background: rgba(255, 255, 255, 0.03);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.06);
}

.glass-card {
    background: rgba(255, 255, 255, 0.04);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 16px;
    transition: all 0.3s ease;
}

.glass-card:hover {
    background: rgba(255, 255, 255, 0.06);
    border-color: rgba(255, 255, 255, 0.12);
    transform: translateY(-2px);
}

/* Bitcoin Orange Accent */
.btc-accent {
    color: #f7931a;
}

.btc-bg {
    background-color: #f7931a;
}

.btc-gradient {
    background: linear-gradient(135deg, #f7931a, #e8821a);
}

/* Action Buttons */
.action-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    color: inherit;
}

.action-btn:hover {
    transform: translateY(-4px);
}

.action-btn .icon-circle {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.action-btn:hover .icon-circle {
    box-shadow: 0 8px 25px rgba(247, 147, 26, 0.3);
}

/* Copy notification */
.copy-toast {
    position: fixed;
    bottom: 100px;
    left: 50%;
    transform: translateX(-50%) translateY(20px);
    background: rgba(247, 147, 26, 0.95);
    color: #000;
    padding: 10px 24px;
    border-radius: 30px;
    font-size: 14px;
    font-weight: 600;
    opacity: 0;
    transition: all 0.3s ease;
    z-index: 9999;
    pointer-events: none;
}

.copy-toast.show {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
}

/* Chart area */
.chart-line {
    stroke: #f7931a;
    stroke-width: 2;
    fill: none;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.chart-fill {
    fill: url(#chartGradient);
    opacity: 0.15;
}

/* Mobile container */
.mobile-container {
    max-width: 430px;
    margin: 0 auto;
    min-height: 100vh;
    position: relative;
}

/* Landing page specific */
.hero-grid {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(255,255,255,0.02) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,0.02) 1px, transparent 1px);
    background-size: 60px 60px;
    mask-image: radial-gradient(ellipse at center, black 30%, transparent 70%);
    -webkit-mask-image: radial-gradient(ellipse at center, black 30%, transparent 70%);
}

/* Sticky footer */
.sticky-footer {
    position: fixed;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 100%;
    max-width: 430px;
    z-index: 50;
    padding: 16px 20px 24px;
    background: linear-gradient(to top, #0a0a0a 60%, transparent);
}

/* Admin specific */
.admin-table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
}

.admin-table th {
    background: rgba(255, 255, 255, 0.05);
    padding: 12px 16px;
    text-align: left;
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: #888;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.admin-table td {
    padding: 14px 16px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    font-size: 14px;
}

.admin-table tr:hover td {
    background: rgba(255, 255, 255, 0.02);
}

/* Form inputs dark theme */
.input-dark {
    width: 100%;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    padding: 12px 16px;
    color: #fff;
    font-family: 'Inter', sans-serif;
    font-size: 14px;
    transition: all 0.3s ease;
    outline: none;
}

.input-dark:focus {
    border-color: #f7931a;
    box-shadow: 0 0 0 3px rgba(247, 147, 26, 0.15);
    background: rgba(255, 255, 255, 0.08);
}

.input-dark::placeholder {
    color: #555;
}

/* Button styles */
.btn-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    background: linear-gradient(135deg, #f7931a, #e8821a);
    color: #000;
    font-weight: 700;
    padding: 14px 32px;
    border-radius: 50px;
    border: none;
    cursor: pointer;
    font-size: 15px;
    font-family: 'Inter', sans-serif;
    transition: all 0.3s ease;
    text-decoration: none;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(247, 147, 26, 0.4);
}

.btn-primary:active {
    transform: translateY(0);
}

.btn-secondary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    background: rgba(255, 255, 255, 0.08);
    color: #fff;
    font-weight: 600;
    padding: 14px 32px;
    border-radius: 50px;
    border: 1px solid rgba(255, 255, 255, 0.12);
    cursor: pointer;
    font-size: 15px;
    font-family: 'Inter', sans-serif;
    transition: all 0.3s ease;
    text-decoration: none;
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.12);
    border-color: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
}

/* Alert / Flash messages */
.alert-success {
    background: rgba(34, 197, 94, 0.1);
    border: 1px solid rgba(34, 197, 94, 0.3);
    color: #22c55e;
    padding: 12px 20px;
    border-radius: 12px;
    font-size: 14px;
    margin-bottom: 20px;
    animation: fadeIn 0.4s ease-out;
}

.alert-error {
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.3);
    color: #ef4444;
    padding: 12px 20px;
    border-radius: 12px;
    font-size: 14px;
    margin-bottom: 20px;
    animation: fadeIn 0.4s ease-out;
}