/* ================================================================
   RADIO FM SYSTEM – COMPLETE & FULL CSS
   Mukta from Google Fonts · Dark/Light Mode · Glassmorphic UI
   ================================================================ */

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

/* ================================================================
   CSS VARIABLES (Dark / Light Mode)
   ================================================================ */
:root {
    /* Dark Mode (Default) */
    --bg: #0b0f19;
    --bg-rgb: 11, 15, 25;
    --bg-secondary: #161e2e;
    --bg-secondary-rgb: 22, 30, 46;
    --bg-card: rgba(22, 30, 46, 0.9);
    --bg-input: #111827;
    --bg-header: rgba(11, 15, 25, 0.92);
    --bg-footer: #0b0f19;
    --bg-nav: rgba(11, 15, 25, 0.9);
    --bg-modal: rgba(15, 23, 42, 0.95);
    --bg-marquee: #0b0f19;

    --text: #f3f4f6;
    --text-secondary: #9ca3af;
    --text-muted: #6b7280;
    --text-heading: #ffffff;

    --border: #1f2937;
    --border-light: #374151;

    --shadow: rgba(0, 0, 0, 0.5);
    --shadow-card: 0 20px 40px -15px rgba(0, 0, 0, 0.5);
    --shadow-modal: 0 25px 50px -12px rgba(0, 0, 0, 0.7);

    --input-border: #374151;
    --input-focus: #e11d48;

    --gradient-start: #e11d48;
    --gradient-end: #be123c;

    --radius: 1rem;
    --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

html.light-mode {
    /* Light Mode */
    --bg: #f8fafc;
    --bg-rgb: 248, 250, 252;
    --bg-secondary: #ffffff;
    --bg-secondary-rgb: 255, 255, 255;
    --bg-card: rgba(255, 255, 255, 0.95);
    --bg-input: #ffffff;
    --bg-header: rgba(255, 255, 255, 0.96);
    --bg-footer: #f1f5f9;
    --bg-nav: rgba(255, 255, 255, 0.96);
    --bg-modal: rgba(255, 255, 255, 0.98);
    --bg-marquee: #f1f5f9;

    --text: #0f172a;
    --text-secondary: #475569;
    --text-muted: #64748b;
    --text-heading: #0f172a;

    --border: #e2e8f0;
    --border-light: #cbd5e1;

    --shadow: rgba(0, 0, 0, 0.05);
    --shadow-card: 0 10px 25px -5px rgba(0, 0, 0, 0.05);
    --shadow-modal: 0 20px 40px -10px rgba(0, 0, 0, 0.1);

    --input-border: #cbd5e1;
}

/* ================================================================
   GLOBAL BASE
   ================================================================ */
* { 
    margin: 0; 
    padding: 0; 
    box-sizing: border-box; 
}

html { 
    font-size: 16px; 
    scroll-behavior: smooth; 
}

body {
    font-family: 'Mukta', sans-serif;
    background-color: var(--bg);
    color: var(--text);
    line-height: 1.6;
    min-height: 100vh;
    transition: background-color 0.3s ease, color 0.3s ease;
    -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6 {
    color: var(--text-heading);
    font-weight: 700;
    line-height: 1.3;
    transition: color 0.3s ease;
}

a {
    color: var(--input-focus);
    text-decoration: none;
    transition: color 0.2s ease;
}

a:hover { 
    color: var(--text-heading); 
}

/* ===== Text & Background Utilities ===== */
.text-primary { color: var(--text) !important; }
.text-secondary { color: var(--text-secondary) !important; }
.text-muted { color: var(--text-muted) !important; }
.text-heading { color: var(--text-heading) !important; }

.bg-primary { background-color: var(--bg) !important; }
.bg-secondary { background-color: var(--bg-secondary) !important; }
.bg-card { background-color: var(--bg-card) !important; }
.border-theme { border-color: var(--border) !important; }

.bg-primary-80 { background-color: rgba(var(--bg-rgb), 0.8) !important; }
.bg-primary-95 { background-color: rgba(var(--bg-rgb), 0.95) !important; }

/* ================================================================
   GLASSMORPHISM & CARDS
   ================================================================ */
.glass-card {
    background: var(--bg-card);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.25rem;
    box-shadow: var(--shadow-card);
    transition: all var(--transition);
    color: var(--text);
}

.glass-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 20px 35px -10px var(--shadow);
    border-color: rgba(225, 29, 72, 0.4);
}

.glass-header {
    background: var(--bg-header);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
}

/* ===== Station Name Gradient ===== */
.station-name {
    background: linear-gradient(to right, #ffffff, #94a3b8, #f43f5e);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

html.light-mode .station-name {
    background: linear-gradient(to right, #0f172a, #334155, #e11d48) !important;
    -webkit-background-clip: text !important;
    -webkit-text-fill-color: transparent !important;
    background-clip: text !important;
}

/* ================================================================
   MARQUEE (SMOOTH CONTINUOUS SCROLL)
   ================================================================ */
.marquee-wrapper {
    background: var(--bg-marquee);
    border-bottom: 1px solid var(--border);
    white-space: nowrap;
    position: relative;
}

.marquee-track {
    display: inline-block;
    white-space: nowrap;
    animation: marquee 22s linear infinite;
    will-change: transform;
}

.marquee-track:hover {
    animation-play-state: paused;
}

@keyframes marquee {
    0% { transform: translateX(0%); }
    100% { transform: translateX(-50%); }
}

/* ================================================================
   NAVIGATION LINKS & LAYOUT
   ================================================================ */
.nav-wrapper {
    background: var(--bg-nav);
}

.no-scrollbar::-webkit-scrollbar { display: none; }
.no-scrollbar { -ms-overflow-style: none; scrollbar-width: none; }

.nav-link {
    position: relative;
    padding: 0.4rem 0.6rem;
    font-weight: 600;
    color: var(--text-secondary);
    transition: color var(--transition);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2.5px;
    background: linear-gradient(90deg, var(--input-focus), #f97316);
    border-radius: 4px;
    transition: width 0.3s ease;
}

.nav-link:hover { color: var(--input-focus); }
.nav-link:hover::after, .nav-link.active::after { width: 100%; }

.nav-link-cat {
    position: relative;
    padding: 0.3rem 0.5rem;
    font-weight: 500;
    color: var(--text-secondary);
    transition: all var(--transition);
}

.nav-link-cat:hover {
    color: var(--input-focus) !important;
}

/* ================================================================
   INPUTS, BUTTONS, MODALS
   ================================================================ */
input, textarea, select {
    background: var(--bg-input) !important;
    color: var(--text) !important;
    border: 1px solid var(--input-border) !important;
    border-radius: 0.75rem;
    padding: 0.65rem 1rem;
    width: 100%;
    transition: all var(--transition);
    font-family: inherit;
    font-size: 0.95rem;
}

input:focus, textarea:focus, select:focus {
    border-color: var(--input-focus) !important;
    outline: none;
    box-shadow: 0 0 0 3px rgba(225, 29, 72, 0.2);
}

::placeholder { 
    color: var(--text-muted); 
    opacity: 0.7; 
}

.btn-rose {
    background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
    color: #fff;
    border: none;
    padding: 0.65rem 1.25rem;
    border-radius: 0.75rem;
    font-weight: 700;
    cursor: pointer;
    transition: transform 0.2s, box-shadow 0.2s;
}

.btn-rose:hover { 
    transform: translateY(-1px); 
    box-shadow: 0 8px 20px rgba(225, 29, 72, 0.35); 
}

.btn-rose:active { 
    transform: scale(0.96); 
}

/* Post Modal Body Custom Scroll */
#postModal .modal-content {
    background: var(--bg-modal);
    border: 1px solid var(--border);
    border-radius: 1.5rem;
    box-shadow: var(--shadow-modal);
    color: var(--text);
    max-width: 800px;
    width: 100%;
    max-height: 90vh;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    position: relative;
}

#postModal .modal-body {
    padding: 1.5rem 2rem;
    overflow-y: auto;
    flex: 1 1 auto;
}

/* ================================================================
   FLOATING AUDIO PLAYER
   ================================================================ */
#floatingAudioPlayer {
    background: var(--bg-card);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--border);
    border-radius: 1.25rem;
    box-shadow: var(--shadow-modal);
    transition: all 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}

#floatingAudioPlayer .play-btn {
    background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
    color: #ffffff;
    width: 46px;
    height: 46px;
    border-radius: 0.85rem;
    border: none;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: transform 0.2s, box-shadow 0.2s;
    box-shadow: 0 8px 20px rgba(225, 29, 72, 0.35);
}

#floatingAudioPlayer .play-btn:hover { 
    transform: scale(1.06); 
    box-shadow: 0 10px 25px rgba(225, 29, 72, 0.45); 
}

#floatingAudioPlayer .play-btn:active { 
    transform: scale(0.92); 
}

/* ================================================================
   SCROLLBAR & ANIMATIONS
   ================================================================ */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: rgba(225, 29, 72, 0.4); border-radius: 10px; }
::-webkit-scrollbar-thumb:hover { background: rgba(225, 29, 72, 0.7); }

/* Footer Styling */
.footer {
    background: var(--bg-footer);
}

/* ================================================================
   RESPONSIVE DESIGN (MOBILE & TABLET FIXES)
   ================================================================ */
@media (max-width: 1024px) {
    .glass-card { padding: 1rem; }
}

@media (max-width: 768px) {
    html { font-size: 15px; }
    
    #floatingAudioPlayer { 
        bottom: 0.75rem; 
        left: 0.75rem; 
        right: 0.75rem; 
        width: auto !important; 
        padding: 0.85rem; 
    }
    
    #admin-login-modal .modal-content { 
        padding: 1.5rem; 
        border-radius: 1.25rem; 
    }
}

@media (max-width: 480px) {
    html { font-size: 14px; }
    
    .btn-rose { 
        padding: 0.5rem 1rem; 
        font-size: 0.85rem; 
    }
}

/* ================================================================
   LIGHT MODE SPECIFIC CONTRAST FIXES
   ================================================================ */
html.light-mode .glass-card {
    color: #0f172a !important;
}

html.light-mode .text-secondary {
    color: #475569 !important;
}

html.light-mode .text-muted {
    color: #64748b !important;
}

html.light-mode .marquee-wrapper {
    background: #f1f5f9 !important;
}

html.light-mode .nav-wrapper {
    background: rgba(255, 255, 255, 0.98) !important;
}

html.light-mode .footer {
    background: #f1f5f9 !important;
}