/* ==========================================
    CSS CUSTOM PROPERTIES (DARK MODE)
    ========================================== */

:root {
    /* Lys Modus (Standard) */
    --bg-color: #ffffff;
    --text-color: #1a1a1a;
    --accent-color: #2c3e50;
    --border-color: #e0e0e0;
    --button-bg: #f5f5f5;
    --button-hover: #e8e8e8;
}

[data-theme="dark"] {
    /* Mørk Modus */
    --bg-color: #1a1a1a;
    --text-color: #e0e0e0;
    --accent-color: #3498db;
    --border-color: #333333;
    --button-bg: #2c2c2c;
    --button-hover: #3a3a3a;
}

/* ==========================================
    PWA INSTALLASJONSSKJERM (GATE)
    ========================================== */

#pwa-gate {
    display: none; /* Starter som skjult, JS viser den hvis nødvendig */
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--bg-color);
    z-index: 9999;
    overflow-y: auto;
    justify-content: center;
    align-items: center;
    padding: 20px;
}

.gate-content {
    max-width: 600px;
    width: 100%;
    text-align: center;
}

.gate-content h1 {
    font-size: 3rem;
    margin-bottom: 10px;
    color: var(--accent-color);
}

.gate-tagline {
    font-size: 1.1rem;
    color: var(--text-color);
    opacity: 0.7;
    margin-bottom: 40px;
}

.gate-instructions h2 {
    font-size: 1.5rem;
    margin-bottom: 20px;
    color: var(--accent-color);
}

.gate-instructions > p {
    font-size: 1.1rem;
    margin-bottom: 30px;
    color: var(--text-color);
}

.install-steps {
    display: flex;
    flex-direction: column;
    gap: 30px;
    margin-bottom: 30px;
}

.install-step {
    background: var(--button-bg);
    padding: 20px;
    border-radius: 12px;
    text-align: left;
}

.install-step h3 {
    font-size: 1.2rem;
    margin-bottom: 15px;
    color: var(--accent-color);
}

.install-step ol {
    margin-left: 20px;
    line-height: 1.8;
}

.install-step li {
    margin-bottom: 8px;
}

.gate-note {
    font-size: 0.9rem;
    color: var(--text-color);
    opacity: 0.6;
    font-style: italic;
}

/* ==========================================
    BASIS STYLING
    ========================================== */

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    -webkit-tap-highlight-color: transparent;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background: var(--bg-color);
    color: var(--text-color);
    line-height: 1.6;
    overflow: hidden;
    transition: background 0.3s ease, color 0.3s ease;
}

/* ==========================================
    HOVEDINNHOLD CONTAINER
    ========================================== */

#main-content {
    height: 100dvh; /* Dynamic viewport height for mobile */
    /* Padding settes via JS (70px eller 145px) */
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    transition: padding-bottom 0.3s ease;
}

/* ==========================================
    MODUL-SYSTEM (CONTENT SWAPPING)
    ========================================== */

.modul {
    display: none;
    min-height: calc(100dvh - 70px); 
    padding: 20px;
    animation: fadeIn 0.3s ease;
}

.modul.active {
    display: block;
}

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

/* ==========================================
    INNHOLDS MODUL
    ========================================== */

.modul-header {
    margin-bottom: 30px;
}

.modul-header h1 {
    font-size: 2rem;
    margin-bottom: 20px;
    color: var(--accent-color);
}

/* Dark Mode Toggle */
.dark-mode-toggle {
    display: flex;
    align-items: center;
    gap: 10px;
}

.toggle-switch {
    position: relative;
    display: inline-block;
    width: 50px;
    height: 26px;
}

.toggle-switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.toggle-slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: #ccc;
    transition: 0.3s;
    border-radius: 26px;
}

.toggle-slider:before {
    position: absolute;
    content: "";
    height: 20px;
    width: 20px;
    left: 3px;
    bottom: 3px;
    background-color: white;
    transition: 0.3s;
    border-radius: 50%;
}

input:checked + .toggle-slider {
    background-color: var(--accent-color);
}

input:checked + .toggle-slider:before {
    transform: translateX(24px);
}

.toggle-label {
    font-size: 0.9rem;
    color: var(--text-color);
}

/* Innholdslister */
.innholds-liste h2 {
    font-size: 1.3rem;
    margin: 25px 0 15px 0;
    color: var(--accent-color);
}

.innholds-liste ul {
    list-style: none;
}

.innholds-liste li {
    padding: 15px;
    margin-bottom: 10px;
    background: var(--button-bg);
    border-radius: 8px;
    cursor: pointer;
    transition: background 0.2s ease;
    border-left: 4px solid var(--accent-color);
}

.innholds-liste li:hover,
.innholds-liste li:active {
    background: var(--button-hover);
}

/* Inventory-tabell */
.inventory-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 15px;
}

.inventory-table th,
.inventory-table td {
    padding: 10px;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

.inventory-table th {
    font-weight: bold;
    color: var(--accent-color);
}

.inventory-table td {
    color: var(--text-color);
}


/* ==========================================
    EBOK MODUL (PAGING OG HOPPER)
    ========================================== */

#ebok-container {
    position: relative;
    height: 100dvh; 
    overflow: hidden;
    z-index: 5; 
}

.side {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    height: 100%;
    width: 100%;
    
    padding: 0 30px; 
    
    overflow: hidden;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
    display: flex;
    flex-direction: column;
    justify-content: center; 
    align-items: center;
}

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

/* Spesifikk stil for statiske tekstsider (Kapittel 1) */
.side.tekst {
    padding: 40px 30px 100px 30px; 
    justify-content: flex-start;
    align-items: stretch;
}

/* Spesifikk stil for scrollende tekstsider (Kapittel 2) */
.side.scroll {
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    padding: 40px 30px 100px 30px;
    justify-content: flex-start;
    align-items: stretch;
}

.side.hopper {
    padding: 0;
    background: #000;
    position: fixed; 
    top: 0;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 10001; 
    justify-content: center;
    align-items: center;
    -webkit-transform: translate3d(0,0,0);
    transform: translate3d(0,0,0);
}

.side h2 {
    font-size: 1.5rem;
    margin-bottom: 20px;
    color: var(--accent-color);
}

.side p {
    font-size: 1.1rem;
    line-height: 1.7;
    margin-bottom: 15px;
}

/* Hopp Over-knapp */
.hopp-over-btn {
    position: fixed;
    bottom: 90px; 
    right: 20px;
    z-index: 10002;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0;
    transition: transform 0.2s ease, opacity 0.3s ease;
    -webkit-transform: translate3d(0,0,0);
    transform: translate3d(0,0,0);
}

.hopp-over-btn img {
    width: 120px;
    height: auto;
    display: block;
}

.hopp-over-btn:active {
    transform: scale(0.95);
}

/* Objekt-container for location-sider */
.objekt-container {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    justify-content: center;
    margin-top: 40px;
}

.objekt-emoji {
    font-size: 4rem;
    cursor: pointer;
    transition: transform 0.2s ease;
    user-select: none;
}

.objekt-emoji:active {
    transform: scale(1.2);
}


/* ==========================================
    SKRINO MODUL (Og Diskografi Overskrift)
    ========================================== */

.diskografi {
    padding-bottom: 10px;
}

.diskografi h2 {
    font-size: 1.5rem;
    margin-bottom: 20px;
    color: var(--accent-color);
    /* FIX: Midtstill overskrift og bruk store bokstaver for "SKRINO" */
    text-align: center;
    text-transform: uppercase;
}

.album-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}

.album-item {
    text-align: center;
    cursor: pointer;
    transition: transform 0.2s ease;
}

.album-item:active {
    transform: scale(0.95);
}

.album-cover {
    width: 100%;
    aspect-ratio: 1/1;
    background: var(--button-bg);
    border-radius: 8px;
    margin-bottom: 10px;
    object-fit: cover;
}

.album-title {
    font-size: 0.9rem;
    color: var(--text-color);
}

/* ==========================================
    NY HOPPER OVERLAY (Flyttet utenfor main)
    ========================================== */

#hopper-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100dvh;
    background: #000;
    z-index: 20000; 
    display: flex;
    justify-content: center;
    align-items: center;
    -webkit-transform: translate3d(0,0,0);
    transform: translate3d(0,0,0);
}

.hidden-overlay {
    display: none !important;
}

/* Videoen inne i overlayen */
#hopper-overlay .hopper-video {
    width: 100%;
    height: 100%;
    /* FIX: 'cover' fyller hele skjermen (ingen svarte kanter, men kan kutte litt av sidene) */
    object-fit: cover; 
    object-position: center center; /* Sentrerer videoen slik at den kuttes likt på begge sider */
}

/* Hopp Over-knappen inne i overlayen */
#hopper-overlay .hopp-over-btn {
    position: absolute; 
    bottom: 90px; 
    right: 20px;
    z-index: 20001;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0;
    -webkit-transform: translate3d(0,0,0);
    transform: translate3d(0,0,0);
}

#hopper-overlay .hopp-over-btn img {
    width: 120px;
    height: auto;
    display: block;
}

/* ==========================================
    AVSPILLER (UTENFOR HOVEDINNHOLD)
    ========================================== */

.avspiller {
    position: fixed;
    bottom: 70px; /* Rett over Bunnbaren */
    left: 0;
    right: 0;
    background: var(--button-bg);
    border-top: 1px solid var(--border-color);
    padding: 15px 20px;
    display: flex;
    flex-direction: column; 
    z-index: 100;
    max-width: 600px; 
    margin: 0 auto;
}

.avspiller.hidden-player {
    display: none !important;
}

.avspiller-top {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
}

.avspiller-info {
    flex: 1;
    font-size: 0.9rem;
    color: var(--text-color);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    padding-right: 15px;
}

.avspiller-kontroller {
    display: flex;
    gap: 20px;
}

.control-btn {
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--text-color);
    transition: transform 0.1s ease;
}

.control-btn:active {
    transform: scale(0.9);
}

/* Progress Bar og Tid */
.avspiller-progress {
    width: 100%;
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 10px;
}

#time-display {
    font-size: 0.75rem;
    color: var(--text-color);
    opacity: 0.7;
    min-width: 85px; 
    text-align: left;
}

/* Styling for range-input (Slider) */
#progress-slider {
    flex-grow: 1;
    height: 4px;
    -webkit-appearance: none;
    appearance: none;
    background: #ccc;
    border-radius: 2px;
    cursor: pointer;
}

#progress-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 12px;
    height: 12px;
    background: var(--accent-color);
    border-radius: 50%;
    cursor: grab;
}
#progress-slider::-moz-range-thumb {
    width: 12px;
    height: 12px;
    background: var(--accent-color);
    border-radius: 50%;
    cursor: grab;
    border: none;
}


/* ==========================================
    BUNNBAR (FASTLÅST MENY)
    ========================================== */

.bunnbar {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    height: 70px;
    background: var(--bg-color);
    border-top: none;
    display: flex;
    justify-content: space-around;
    align-items: center;
    z-index: 1000;
}

.nav-btn {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
    background: none;
    border: none;
    cursor: pointer;
    
    /* FIX: Estetisk midtstilling (8px topp, 12px bunn for å løfte opp) */
    padding: 8px 10px 12px 10px; 
    
    transition: background 0.2s ease;
    color: var(--text-color);
}

.nav-btn:active {
    background: var(--button-hover);
}

.nav-btn.active {
    color: var(--accent-color);
}

/* Bunnbar ikoner som bilder */
.nav-icon-img {
    width: 32px; 
    height: 32px;
    object-fit: contain;
}

.nav-icon {
    font-size: 1.7rem;
}

.nav-label {
    display: none;
}

/* ==========================================
    RESPONSIVITET
    ========================================== */

@media (min-width: 768px) {
    /* Tablets og større - begrens bredde */
    #main-content,
    .bunnbar {
        max-width: 600px;
        margin: 0 auto;
    }
}