/* Odyssey Twibbon — Zootopia-inspired scrapbook aesthetic */

:root {
    /* Peserta theme — mint, teal, sunshine yellow */
    --primary-color: #20b2aa;
    --secondary-color: #76c893;
    --accent-color: #ffc857;
    --accent-warm: #ff6b6b;
    --dark-green: #2d6a4f;
    --bg-light: #e8f8ef;
    --bg-mint: #c8f0d4;
    --bg-card: rgba(255, 255, 255, 0.92);
    --text-dark: #1a3a2a;
    --text-muted: #4a6b5a;
    --text-light: #ffffff;
    --bg-gradient: linear-gradient(160deg, #d4f5e2 0%, #e8f8ef 35%, #b8ebd0 70%, #a8dfc4 100%);
    --shadow-color: rgba(45, 106, 79, 0.15);
    --shadow-soft: 0 8px 32px rgba(45, 106, 79, 0.12);
    --border-radius: 20px;
    --transition: all 0.35s cubic-bezier(0.16, 1, 0.3, 1);

    --glow-color-1: rgba(118, 200, 147, 0.35);
    --glow-color-2: rgba(32, 178, 170, 0.25);
    --glow-color-3: rgba(255, 200, 87, 0.2);
    --particle-color: #76c893;
    --header-gradient: linear-gradient(180deg, #b8f0c8 0%, #20b2aa 100%);
    --btn-gradient: linear-gradient(135deg, #20b2aa, #76c893);
    --btn-shadow: rgba(32, 178, 170, 0.35);
}

/* OSIS / Committee — deeper green with committee red stamp accent */
body.theme-osis {
    --primary-color: #1a9e8f;
    --secondary-color: #5a9e6f;
    --accent-color: #d32f2f;
    --accent-warm: #ffc857;
    --dark-green: #1b4332;
    --bg-light: #dcefd8;
    --bg-mint: #b5d9b0;
    --bg-card: rgba(255, 255, 255, 0.94);
    --text-dark: #1b4332;
    --text-muted: #3d5c45;
    --bg-gradient: linear-gradient(160deg, #c5dfc0 0%, #dcefd8 35%, #a8cfaa 70%, #8fbf93 100%);

    --glow-color-1: rgba(90, 158, 111, 0.35);
    --glow-color-2: rgba(211, 47, 47, 0.12);
    --glow-color-3: rgba(255, 200, 87, 0.18);
    --particle-color: #5a9e6f;
    --header-gradient: linear-gradient(180deg, #a8cfaa 0%, #1a9e8f 100%);
    --btn-gradient: linear-gradient(135deg, #1a9e8f, #5a9e6f);
    --btn-shadow: rgba(26, 158, 143, 0.35);
}

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

body {
    font-family: 'Varela Round', 'Plus Jakarta Sans', sans-serif;
    background: var(--bg-gradient);
    min-height: 100vh;
    color: var(--text-dark);
    overflow-x: hidden;
    position: relative;
}

/* Soft layered paper texture */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background:
        radial-gradient(circle at 15% 25%, var(--glow-color-1) 0%, transparent 45%),
        radial-gradient(circle at 85% 75%, var(--glow-color-2) 0%, transparent 40%),
        radial-gradient(circle at 50% 10%, var(--glow-color-3) 0%, transparent 50%);
    animation: floatPattern 20s ease-in-out infinite;
    pointer-events: none;
    z-index: -1;
}

@keyframes floatPattern {
    0%, 100% { transform: translate(0, 0) scale(1); }
    50% { transform: translate(-15px, 10px) scale(1.03); }
}

#snow_fall {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
    pointer-events: none;
}

/* Loader */
.loader-visible {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--bg-light);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999;
}

.loader-hidden {
    display: none;
}

.spinner {
    width: 56px;
    height: 56px;
    border: 4px solid rgba(45, 106, 79, 0.12);
    border-top: 4px solid var(--primary-color);
    border-right: 4px solid var(--secondary-color);
    border-radius: 50%;
    animation: spin 0.9s infinite linear;
    box-shadow: 0 0 20px rgba(32, 178, 170, 0.2);
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 32px 20px;
    position: relative;
    z-index: 2;
}

/* Header — scrapbook card pinned feel */
header {
    text-align: center;
    margin-bottom: 32px;
    background: var(--bg-card);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    padding: 36px 32px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-soft), inset 0 1px 0 rgba(255, 255, 255, 0.8);
    border: 2px solid rgba(255, 255, 255, 0.9);
    position: relative;
    overflow: hidden;
    transform: rotate(-0.5deg);
}

header::before {
    content: '';
    position: absolute;
    top: -8px;
    left: 50%;
    transform: translateX(-50%);
    width: 18px;
    height: 18px;
    background: radial-gradient(circle at 35% 35%, #ff6b6b, #d32f2f);
    border-radius: 50%;
    box-shadow: 0 3px 6px rgba(211, 47, 47, 0.4), inset 0 -2px 4px rgba(0, 0, 0, 0.15);
    z-index: 2;
}

header::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--secondary-color), var(--primary-color), var(--accent-color));
    opacity: 0.6;
}

.header-branding {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 20px;
    margin-bottom: 10px;
    margin-top: 8px;
}

.header-logo {
    width: 64px;
    height: 64px;
    object-fit: contain;
    filter: drop-shadow(0 4px 8px rgba(45, 106, 79, 0.2));
}

header h1 {
    font-family: 'Fredoka', 'Outfit', sans-serif;
    font-size: 3rem;
    font-weight: 700;
    letter-spacing: 0.02em;
    background: var(--header-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    -webkit-text-stroke: 2px rgba(255, 255, 255, 0.85);
    paint-order: stroke fill;
    filter: drop-shadow(0 3px 0 rgba(45, 106, 79, 0.25));
}

header p {
    font-size: 1rem;
    color: var(--text-muted);
    font-weight: 500;
    max-width: 520px;
    margin: 0 auto;
}

main {
    display: grid;
    grid-template-columns: 1.15fr 1fr;
    gap: 28px;
    align-items: start;
}

/* Editor — Polaroid-style frame */
.editor-container {
    background: var(--bg-card);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    padding: 28px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-soft);
    border: 2px solid rgba(255, 255, 255, 0.95);
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
    transform: rotate(0.8deg);
}

.editor-container::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, transparent, var(--primary-color), var(--secondary-color), transparent);
    border-radius: var(--border-radius) var(--border-radius) 0 0;
}

#canvas {
    width: 100%;
    max-width: 480px;
    height: auto;
    border-radius: 4px;
    box-shadow:
        0 12px 28px rgba(45, 106, 79, 0.18),
        0 2px 0 rgba(255, 255, 255, 0.8) inset;
    cursor: grab;
    border: 8px solid #ffffff;
    background: #1a1a1a;
    transition: var(--transition);
}

#canvas:hover {
    transform: scale(1.01) rotate(-0.3deg);
    box-shadow: 0 16px 36px rgba(45, 106, 79, 0.22);
}

#canvas:active {
    cursor: grabbing;
}

/* Controls panel */
.controls {
    background: var(--bg-card);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    padding: 30px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-soft);
    border: 2px solid rgba(255, 255, 255, 0.95);
    position: sticky;
    top: 32px;
    transform: rotate(-0.4deg);
}

.controls p {
    font-size: 1.05rem;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 20px;
    text-align: center;
}

input[type="file"] {
    width: 100%;
    padding: 18px;
    border: 2px dashed rgba(32, 178, 170, 0.35);
    border-radius: 14px;
    background: rgba(200, 240, 212, 0.35);
    color: var(--text-muted);
    font-family: inherit;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    margin-bottom: 18px;
    text-align: center;
}

input[type="file"]::file-selector-button {
    background: var(--btn-gradient);
    border: none;
    border-radius: 10px;
    color: var(--text-light);
    padding: 8px 16px;
    cursor: pointer;
    font-weight: 600;
    margin-right: 12px;
    transition: var(--transition);
    box-shadow: 0 2px 8px var(--btn-shadow);
}

input[type="file"]:hover {
    border-color: var(--primary-color);
    background: rgba(200, 240, 212, 0.55);
    color: var(--text-dark);
}

input[type="file"]:hover::file-selector-button {
    transform: scale(1.04);
    box-shadow: 0 4px 14px var(--btn-shadow);
}

#zoom-controls {
    margin: 20px 0;
    padding: 18px;
    background: rgba(200, 240, 212, 0.3);
    border-radius: 14px;
    border: 1px solid rgba(32, 178, 170, 0.15);
}

#zoom-controls label {
    display: block;
    font-weight: 600;
    color: var(--text-muted);
    margin-bottom: 10px;
    font-size: 0.95rem;
}

input[type="range"] {
    width: 100%;
    height: 8px;
    border-radius: 10px;
    background: rgba(45, 106, 79, 0.12);
    outline: none;
    cursor: pointer;
    -webkit-appearance: none;
    appearance: none;
}

input[type="range"]::-webkit-slider-runnable-track {
    width: 100%;
    height: 8px;
    cursor: pointer;
    background: linear-gradient(to right, var(--secondary-color), var(--primary-color));
    border-radius: 4px;
}

input[type="range"]::-webkit-slider-thumb {
    appearance: none;
    -webkit-appearance: none;
    width: 22px;
    height: 22px;
    border-radius: 50%;
    background: #ffffff;
    border: 3px solid var(--primary-color);
    cursor: pointer;
    margin-top: -7px;
    box-shadow: 0 2px 8px rgba(32, 178, 170, 0.35);
    transition: var(--transition);
}

input[type="range"]::-webkit-slider-thumb:hover {
    transform: scale(1.15);
    box-shadow: 0 3px 12px rgba(32, 178, 170, 0.5);
}

.action-buttons {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
    margin-top: 20px;
}

.action-buttons button {
    padding: 14px 18px;
    border: 2px solid rgba(32, 178, 170, 0.2);
    border-radius: 12px;
    font-family: inherit;
    font-weight: 600;
    font-size: 0.92rem;
    cursor: pointer;
    transition: var(--transition);
}

#rotateBtn,
#resetBtn {
    background: rgba(255, 255, 255, 0.7);
    color: var(--text-dark);
}

#rotateBtn:hover,
#resetBtn:hover {
    background: rgba(200, 240, 212, 0.6);
    border-color: var(--primary-color);
}

#downloadBtn {
    grid-column: 1 / -1;
    background: var(--btn-gradient);
    color: var(--text-light);
    font-weight: 700;
    font-size: 1rem;
    border: none;
    box-shadow: 0 4px 16px var(--btn-shadow);
}

#downloadBtn:hover {
    box-shadow: 0 8px 24px var(--btn-shadow);
    transform: translateY(-2px);
}

button:hover {
    transform: translateY(-2px);
}

button:active {
    transform: translateY(0);
}

/* Caption section */
#caption-section {
    background: var(--bg-card);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    padding: 36px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-soft);
    border: 2px solid rgba(255, 255, 255, 0.95);
    margin-top: 32px;
    text-align: center;
    transform: rotate(0.3deg);
}

#caption-section h2 {
    color: var(--text-dark);
    font-family: 'Fredoka', 'Outfit', sans-serif;
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: 18px;
    background: var(--header-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

#caption-template {
    background: rgba(200, 240, 212, 0.35);
    border: 1px solid rgba(32, 178, 170, 0.15);
    border-radius: 14px;
    padding: 22px;
    margin: 18px 0;
    color: var(--text-muted);
    font-size: 0.93rem;
    line-height: 1.7;
    text-align: left;
}

#copyCaptionBtn {
    background: linear-gradient(135deg, var(--secondary-color), var(--primary-color));
    color: var(--text-light);
    border: none;
    padding: 14px 32px;
    border-radius: 12px;
    font-family: inherit;
    font-weight: 700;
    font-size: 1rem;
    cursor: pointer;
    transition: var(--transition);
    box-shadow: 0 4px 16px var(--btn-shadow);
}

#copyCaptionBtn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px var(--btn-shadow);
}

/* Footer */
footer {
    background: var(--bg-card);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    padding: 22px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-soft);
    border: 2px solid rgba(255, 255, 255, 0.95);
    margin-top: 32px;
    text-align: center;
}

footer a {
    color: var(--text-muted);
    font-weight: 600;
    text-decoration: none;
    font-size: 0.88rem;
    transition: var(--transition);
}

footer a:hover {
    color: var(--primary-color);
}

.hidden {
    opacity: 0;
    transform: translateY(24px);
    transition: var(--transition);
}

.show {
    opacity: 1;
    transform: translateY(0);
}

@media (max-width: 900px) {
    main {
        grid-template-columns: 1fr;
        gap: 24px;
    }

    header,
    .editor-container,
    .controls,
    #caption-section {
        transform: none;
    }

    header h1 {
        font-size: 2.4rem;
    }

    .header-branding {
        gap: 14px;
    }

    .container {
        padding: 20px 15px;
    }

    .editor-container,
    .controls {
        padding: 22px;
    }
}

@media (max-width: 480px) {
    header h1 {
        font-size: 2rem;
    }

    .header-logo {
        width: 52px;
        height: 52px;
    }

    #caption-section h2 {
        font-size: 1.45rem;
    }

    .action-buttons {
        grid-template-columns: 1fr;
    }

    #downloadBtn {
        grid-column: auto;
    }
}