:root {
    --bg-primary: #0f0f1a;
    --bg-secondary: #1a1a2e;
    --bg-card: rgba(255, 255, 255, 0.05);
    --bg-card-hover: rgba(255, 255, 255, 0.1);
    --text-primary: #ffffff;
    --text-secondary: #a0a0b0;
    --accent: #6c63ff;
    --accent-glow: rgba(108, 99, 255, 0.3);
    --border: rgba(255, 255, 255, 0.1);
    --border-hover: rgba(108, 99, 255, 0.5);
    --shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
    --glass: rgba(255, 255, 255, 0.05);
    --glass-border: rgba(255, 255, 255, 0.1);
    --announcement-info: #3b82f6;
    --announcement-warning: #f59e0b;
    --announcement-success: #10b981;
    --announcement-error: #ef4444;
    --radius: 16px;
    --radius-sm: 12px;
}

[data-theme="light"] {
    --bg-primary: #f0f2f5;
    --bg-secondary: #ffffff;
    --bg-card: rgba(255, 255, 255, 0.8);
    --bg-card-hover: rgba(255, 255, 255, 0.95);
    --text-primary: #1a1a2e;
    --text-secondary: #64648a;
    --border: rgba(0, 0, 0, 0.08);
    --border-hover: rgba(108, 99, 255, 0.4);
    --shadow: 0 8px 32px rgba(0, 0, 0, 0.08);
    --glass: rgba(255, 255, 255, 0.7);
    --glass-border: rgba(0, 0, 0, 0.08);
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    min-height: 100vh;
    overflow-x: hidden;
    transition: background 0.3s ease, color 0.3s ease;
}

/* Particle Background */
.particles {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 0;
    overflow: hidden;
}

.particle {
    position: absolute;
    width: 4px;
    height: 4px;
    background: var(--accent);
    border-radius: 50%;
    opacity: 0.3;
    animation: float linear infinite;
}

@keyframes float {
    0% {
        transform: translateY(100vh) rotate(0deg);
        opacity: 0;
    }
    10% {
        opacity: 0.3;
    }
    90% {
        opacity: 0.3;
    }
    100% {
        transform: translateY(-10vh) rotate(720deg);
        opacity: 0;
    }
}

/* Container */
.container {
    position: relative;
    z-index: 1;
    max-width: 480px;
    margin: 0 auto;
    padding: 40px 20px;
    min-height: 100vh;
}

/* Header */
.header {
    text-align: center;
    margin-bottom: 32px;
    position: relative;
}

.logo-container {
    margin-bottom: 16px;
}

.logo {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    object-fit: cover;
    border: 3px solid var(--accent);
    box-shadow: 0 0 20px var(--accent-glow);
}

.logo-fallback {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: var(--bg-card);
    border: 3px solid var(--accent);
    box-shadow: 0 0 20px var(--accent-glow);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 36px;
    margin: 0 auto;
}

.store-name {
    font-size: 1.8rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--accent), #a855f7);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 8px;
}

.store-tagline {
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-weight: 500;
}

/* Theme Toggle */
.theme-toggle {
    position: absolute;
    top: 0;
    right: 0;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--bg-card);
    border: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
}

.theme-toggle:hover {
    background: var(--bg-card-hover);
    border-color: var(--border-hover);
    transform: scale(1.1);
}

.theme-icon {
    font-size: 1.1rem;
}

/* Section Title */
.section-title {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 16px;
}

.section-icon {
    font-size: 1.2rem;
}

.section-title h2 {
    font-size: 1rem;
    font-weight: 700;
    color: var(--text-primary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Announcements */
.announcements {
    margin-bottom: 32px;
}

.announcements-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.announcement-card {
    background: var(--glass);
    backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-sm);
    padding: 14px 16px;
    transition: all 0.3s ease;
    animation: slideIn 0.4s ease forwards;
    opacity: 0;
    transform: translateY(10px);
}

.announcement-card:hover {
    background: var(--bg-card-hover);
    transform: translateY(-2px);
    box-shadow: var(--shadow);
}

@keyframes slideIn {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.announcement-header {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 6px;
}

.announcement-badge {
    font-size: 0.7rem;
    font-weight: 600;
    padding: 2px 8px;
    border-radius: 20px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.announcement-badge.info {
    background: rgba(59, 130, 246, 0.15);
    color: var(--announcement-info);
}

.announcement-badge.warning {
    background: rgba(245, 158, 11, 0.15);
    color: var(--announcement-warning);
}

.announcement-badge.success {
    background: rgba(16, 185, 129, 0.15);
    color: var(--announcement-success);
}

.announcement-badge.error {
    background: rgba(239, 68, 68, 0.15);
    color: var(--announcement-error);
}

.announcement-date {
    font-size: 0.7rem;
    color: var(--text-secondary);
    margin-left: auto;
}

.announcement-text {
    font-size: 0.85rem;
    color: var(--text-primary);
    line-height: 1.5;
}

.no-announcements {
    text-align: center;
    padding: 20px;
    color: var(--text-secondary);
    font-size: 0.85rem;
    background: var(--glass);
    backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-sm);
}

/* Links */
.links {
    margin-bottom: 32px;
}

.links-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.link-card {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 16px 18px;
    background: var(--glass);
    backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-sm);
    text-decoration: none;
    color: var(--text-primary);
    transition: all 0.3s ease;
    cursor: pointer;
}

.link-card:hover {
    background: var(--bg-card-hover);
    border-color: var(--border-hover);
    transform: translateY(-2px);
    box-shadow: var(--shadow), 0 0 20px var(--accent-glow);
}

.link-card.disabled {
    opacity: 0.5;
    pointer-events: none;
}

.link-icon {
    font-size: 1.5rem;
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-card);
    border-radius: 12px;
    flex-shrink: 0;
}

.link-info {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.link-title {
    font-size: 0.95rem;
    font-weight: 600;
}

.link-desc {
    font-size: 0.75rem;
    color: var(--text-secondary);
}

.link-arrow {
    font-size: 1.2rem;
    color: var(--text-secondary);
    transition: transform 0.3s ease, color 0.3s ease;
}

.link-card:hover .link-arrow {
    transform: translateX(4px);
    color: var(--accent);
}

.link-badge {
    font-size: 0.65rem;
    font-weight: 700;
    padding: 3px 10px;
    border-radius: 20px;
    background: rgba(108, 99, 255, 0.15);
    color: var(--accent);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Footer */
.footer {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid var(--border);
}

.footer p {
    font-size: 0.75rem;
    color: var(--text-secondary);
}

/* Responsive */
@media (max-width: 480px) {
    .container {
        padding: 24px 16px;
    }

    .store-name {
        font-size: 1.5rem;
    }

    .link-card {
        padding: 14px 14px;
        gap: 12px;
    }

    .link-icon {
        width: 38px;
        height: 38px;
        font-size: 1.3rem;
    }
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 6px;
}

::-webkit-scrollbar-track {
    background: var(--bg-primary);
}

::-webkit-scrollbar-thumb {
    background: var(--accent);
    border-radius: 3px;
}

/* Selection */
::selection {
    background: var(--accent);
    color: white;
}