/* Kraken Image Converter - Ocean Theme (matching main site) */

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

:root {
    --bg-primary: #0f1115;
    --bg-secondary: #152030;
    --bg-card: #1a2535;
    --bg-hover: #1e2d42;
    --text-primary: #e0e8f0;
    --text-secondary: #8aa4bc;
    --text-muted: #4a6480;
    --border-color: #1e3045;
    --accent: #3b9ebe;
    --accent-hover: #4fb8d8;
    --accent-glow: rgba(59, 158, 190, 0.4);
    --success: #10b981;
    --danger: #ef4444;
}

html, body {
    height: 100%;
}

/* Sound Toggle Button */
.sound-toggle {
    position: fixed;
    bottom: 24px;
    right: 24px;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    color: var(--text-muted);
    cursor: pointer;
    z-index: 100;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.sound-toggle:hover {
    background: var(--bg-hover);
    border-color: var(--accent);
    color: var(--accent);
    transform: scale(1.1);
    box-shadow: 0 0 20px var(--accent-glow);
}

.sound-toggle.sound-on {
    background: rgba(59, 158, 190, 0.2);
    border-color: var(--accent);
    color: var(--accent);
}

.sound-toggle svg {
    width: 24px;
    height: 24px;
}

body {
    font-family: system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    min-height: 100vh;
    overflow-x: hidden;
}

/* Ocean Background */
.ocean-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        180deg,
        #0f1115 0%,
        #152030 30%,
        #1a2535 60%,
        #0f1115 100%
    );
    z-index: -2;
}

/* Bubbles Animation */
.bubbles {
    position: fixed;
    width: 100%;
    height: 100%;
    overflow: hidden;
    z-index: -1;
    pointer-events: none;
}

.bubble {
    position: absolute;
    bottom: -100px;
    background: radial-gradient(circle at 30% 30%, rgba(59, 158, 190, 0.3), rgba(59, 158, 190, 0.1));
    border-radius: 50%;
    animation: rise 15s infinite ease-in;
    border: 1px solid rgba(59, 158, 190, 0.2);
}

.bubble:nth-child(1) { left: 10%; width: 40px; height: 40px; animation-duration: 12s; animation-delay: 0s; }
.bubble:nth-child(2) { left: 20%; width: 20px; height: 20px; animation-duration: 15s; animation-delay: 2s; }
.bubble:nth-child(3) { left: 35%; width: 60px; height: 60px; animation-duration: 18s; animation-delay: 4s; }
.bubble:nth-child(4) { left: 50%; width: 30px; height: 30px; animation-duration: 14s; animation-delay: 1s; }
.bubble:nth-child(5) { left: 65%; width: 25px; height: 25px; animation-duration: 16s; animation-delay: 3s; }
.bubble:nth-child(6) { left: 75%; width: 45px; height: 45px; animation-duration: 13s; animation-delay: 5s; }
.bubble:nth-child(7) { left: 85%; width: 35px; height: 35px; animation-duration: 17s; animation-delay: 2.5s; }
.bubble:nth-child(8) { left: 5%; width: 50px; height: 50px; animation-duration: 19s; animation-delay: 6s; }
.bubble:nth-child(9) { left: 45%; width: 15px; height: 15px; animation-duration: 11s; animation-delay: 1.5s; }
.bubble:nth-child(10) { left: 90%; width: 55px; height: 55px; animation-duration: 20s; animation-delay: 4.5s; }

@keyframes rise {
    0% {
        bottom: -100px;
        transform: translateX(0) scale(1);
        opacity: 0.5;
    }
    50% {
        transform: translateX(30px) scale(1.1);
        opacity: 0.6;
    }
    100% {
        bottom: 100vh;
        transform: translateX(-20px) scale(0.9);
        opacity: 0;
    }
}

/* Light Rays */
.light-rays {
    position: fixed;
    top: -50%;
    left: 50%;
    width: 200%;
    height: 100%;
    background: conic-gradient(
        from 180deg at 50% 0%,
        transparent 0deg,
        rgba(59, 158, 190, 0.02) 10deg,
        transparent 20deg,
        rgba(59, 158, 190, 0.02) 40deg,
        transparent 50deg,
        rgba(59, 158, 190, 0.02) 70deg,
        transparent 80deg
    );
    transform: translateX(-50%);
    animation: rotate 90s linear infinite;
    z-index: -1;
    pointer-events: none;
}

@keyframes rotate {
    from { transform: translateX(-50%) rotate(0deg); }
    to { transform: translateX(-50%) rotate(360deg); }
}

/* Container */
.container {
    max-width: 800px;
    margin: 0 auto;
    padding: 40px 20px;
    position: relative;
    z-index: 1;
}

/* Header */
header {
    text-align: center;
    margin-bottom: 40px;
}

/* Back link */
.back-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.9rem;
    margin-bottom: 30px;
    transition: all 0.3s ease;
}

.back-link:hover {
    color: var(--accent);
}

.back-link svg {
    width: 16px;
    height: 16px;
}

.kraken-logo {
    width: 80px;
    height: 96px;
    margin: 0 auto 20px;
    filter: drop-shadow(0 0 20px var(--accent-glow));
}

.kraken-svg {
    width: 100%;
    height: 100%;
    animation: krakenFloat 5s ease-in-out infinite;
}

@keyframes krakenFloat {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    25% { transform: translateY(-8px) rotate(2deg); }
    50% { transform: translateY(-12px) rotate(0deg); }
    75% { transform: translateY(-8px) rotate(-2deg); }
}

/* Mantle breathing animation */
.mantle-group {
    animation: mantleBreathe 3s ease-in-out infinite;
    transform-origin: center 70%;
}

@keyframes mantleBreathe {
    0%, 100% { transform: scaleY(1) scaleX(1); }
    50% { transform: scaleY(1.08) scaleX(0.94); }
}

/* Bioluminescent glow pulse */
.glow-spot {
    animation: glowPulse 2s ease-in-out infinite;
}

.g1 { animation-delay: 0s; }
.g2 { animation-delay: 0.4s; }
.g3 { animation-delay: 0.8s; }
.g4 { animation-delay: 1.2s; }
.g5 { animation-delay: 1.6s; }

@keyframes glowPulse {
    0%, 100% { opacity: 0.3; transform: scale(1); filter: brightness(1); }
    50% { opacity: 1; transform: scale(2); filter: brightness(2); }
}

/* Eye movement */
.eyes {
    animation: eyeLook 4s ease-in-out infinite;
}

@keyframes eyeLook {
    0%, 100% { transform: translateX(0) translateY(0); }
    20% { transform: translateX(3px) translateY(-1px); }
    40% { transform: translateX(-2px) translateY(2px); }
    60% { transform: translateX(-3px) translateY(-1px); }
    80% { transform: translateX(2px) translateY(1px); }
}

/* Pupil dilation */
.pupil {
    animation: pupilPulse 3s ease-in-out infinite;
    transform-origin: center;
}

@keyframes pupilPulse {
    0%, 100% { transform: scale(1); }
    30% { transform: scale(1.3); }
    60% { transform: scale(0.8); }
}

/* Eye shine twinkle */
.eye-shine {
    animation: eyeTwinkle 2s ease-in-out infinite;
}

@keyframes eyeTwinkle {
    0%, 100% { opacity: 0.8; }
    50% { opacity: 1; transform: scale(1.2); }
}

/* Beak animation */
.beak-opening {
    animation: beakPulse 4s ease-in-out infinite;
    transform-origin: center;
}

@keyframes beakPulse {
    0%, 100% { transform: scaleY(1); }
    50% { transform: scaleY(1.5); }
}

h1 {
    font-size: 2.2rem;
    font-weight: 700;
    margin-bottom: 10px;
    background: linear-gradient(135deg, var(--text-primary) 0%, var(--accent) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

h1 .highlight {
    color: var(--accent);
}

.tagline {
    font-size: 1rem;
    color: var(--text-secondary);
    font-style: italic;
}

/* Drop Zone */
.drop-zone {
    position: relative;
    background: var(--bg-card);
    border: 2px dashed var(--border-color);
    border-radius: 12px;
    padding: 50px 30px;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
    overflow: hidden;
}

.drop-zone:hover,
.drop-zone.drag-over {
    border-color: var(--accent);
    background: var(--bg-hover);
    transform: translateY(-2px);
    box-shadow: 0 0 30px var(--accent-glow);
}

.drop-zone-content {
    position: relative;
    z-index: 2;
}

.upload-icon {
    width: 60px;
    height: 60px;
    color: var(--text-muted);
    margin-bottom: 20px;
    transition: all 0.3s ease;
}

.drop-zone:hover .upload-icon {
    color: var(--accent);
    transform: translateY(-5px);
}

.drop-text {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.drop-subtext {
    font-size: 0.9rem;
    color: var(--text-muted);
}

/* Ripple Effect */
.ripple-effect {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: var(--accent-glow);
    transform: translate(-50%, -50%);
    pointer-events: none;
}

.drop-zone.ripple .ripple-effect {
    animation: ripple 0.6s ease-out;
}

@keyframes ripple {
    to {
        width: 500px;
        height: 500px;
        opacity: 0;
    }
}

/* Preview Section */
.preview-section {
    margin-top: 30px;
}

.preview-card,
.conversion-card,
.result-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 24px;
    margin-bottom: 20px;
    transition: all 0.3s ease;
}

.preview-card:hover,
.conversion-card:hover {
    border-color: rgba(59, 158, 190, 0.3);
}

.preview-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.preview-header h2,
.conversion-card h2 {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--accent);
}

.clear-btn {
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid var(--danger);
    color: var(--danger);
    width: 32px;
    height: 32px;
    border-radius: 50%;
    cursor: pointer;
    font-size: 1rem;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.clear-btn:hover {
    background: var(--danger);
    color: white;
    transform: rotate(90deg);
}

.preview-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
    align-items: center;
}

@media (max-width: 600px) {
    .preview-content {
        grid-template-columns: 1fr;
    }
}

.image-preview {
    background: var(--bg-secondary);
    border-radius: 8px;
    padding: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 180px;
    border: 1px solid var(--border-color);
}

.image-preview img {
    max-width: 100%;
    max-height: 220px;
    border-radius: 6px;
}

.image-info {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.info-item {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.info-label {
    font-size: 0.75rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.info-value {
    font-size: 1rem;
    color: var(--text-primary);
    font-weight: 500;
}

.format-badge {
    display: inline-block;
    background: var(--bg-hover);
    border: 1px solid var(--accent);
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--accent);
}

/* Format Options */
.format-options {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(90px, 1fr));
    gap: 12px;
    margin: 20px 0;
}

.format-btn {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 12px 16px;
    border-radius: 8px;
    cursor: pointer;
    font-size: 0.9rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    transition: all 0.3s ease;
    position: relative;
}

.format-btn:hover {
    border-color: var(--accent);
    background: var(--bg-hover);
    transform: translateY(-2px);
}

.format-btn.selected {
    background: var(--accent);
    border-color: var(--accent);
    color: var(--bg-primary);
    box-shadow: 0 0 20px var(--accent-glow);
}

.format-btn.selected::after {
    content: '';
    position: absolute;
    top: 4px;
    right: 6px;
    width: 6px;
    height: 6px;
    background: var(--bg-primary);
    border-radius: 50%;
}

/* ICO Options */
.ico-options {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 16px;
    margin: 16px 0;
}

.ico-options h3 {
    color: var(--accent);
    margin-bottom: 12px;
    font-size: 0.9rem;
    font-weight: 600;
}

.ico-sizes {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.ico-size-option {
    display: flex;
    align-items: center;
    gap: 6px;
    background: var(--bg-card);
    padding: 6px 12px;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.3s ease;
    border: 1px solid transparent;
    font-size: 0.85rem;
}

.ico-size-option:hover {
    border-color: var(--accent);
    background: var(--bg-hover);
}

.ico-size-option input[type="checkbox"] {
    accent-color: var(--accent);
    width: 16px;
    height: 16px;
    cursor: pointer;
}

/* Quality Slider */
.quality-slider {
    margin: 16px 0;
    padding: 16px;
    background: var(--bg-secondary);
    border-radius: 8px;
    border: 1px solid var(--border-color);
}

.quality-slider label {
    display: block;
    margin-bottom: 12px;
    color: var(--text-primary);
    font-weight: 500;
    font-size: 0.9rem;
}

.quality-slider input[type="range"] {
    width: 100%;
    height: 6px;
    border-radius: 3px;
    background: var(--bg-card);
    outline: none;
    -webkit-appearance: none;
}

.quality-slider input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--accent);
    cursor: pointer;
    box-shadow: 0 0 10px var(--accent-glow);
    transition: transform 0.2s ease;
}

.quality-slider input[type="range"]::-webkit-slider-thumb:hover {
    transform: scale(1.15);
}

/* Convert Button */
.convert-btn {
    width: 100%;
    padding: 16px 32px;
    font-size: 1rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    position: relative;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    background: var(--bg-secondary);
    color: var(--text-muted);
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

.convert-btn:not(:disabled) {
    background: var(--accent);
    color: var(--bg-primary);
    border-color: var(--accent);
    box-shadow: 0 4px 20px var(--accent-glow);
}

.convert-btn:not(:disabled):hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 30px var(--accent-glow);
    background: var(--accent-hover);
}

.convert-btn .btn-icon {
    font-size: 1.2rem;
    transition: transform 0.3s ease;
}

.convert-btn:not(:disabled):hover .btn-icon {
    transform: rotate(15deg) scale(1.1);
}

.convert-btn.converting {
    pointer-events: none;
}

.convert-btn.converting .btn-text {
    opacity: 0;
}

.convert-btn.converting::after {
    content: '';
    position: absolute;
    width: 24px;
    height: 24px;
    border: 3px solid transparent;
    border-top-color: var(--bg-primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* Result Section */
.result-card {
    text-align: center;
}

.success-animation {
    margin-bottom: 20px;
}

.checkmark {
    width: 70px;
    height: 70px;
}

.checkmark-circle {
    stroke: var(--success);
    stroke-width: 2;
    stroke-dasharray: 166;
    stroke-dashoffset: 166;
    animation: stroke 0.6s cubic-bezier(0.65, 0, 0.45, 1) forwards;
}

.checkmark-check {
    stroke: var(--success);
    stroke-width: 3;
    stroke-linecap: round;
    stroke-linejoin: round;
    stroke-dasharray: 48;
    stroke-dashoffset: 48;
    animation: stroke 0.3s cubic-bezier(0.65, 0, 0.45, 1) 0.6s forwards;
}

@keyframes stroke {
    to { stroke-dashoffset: 0; }
}

.result-card h2 {
    font-size: 1.4rem;
    color: var(--success);
    margin-bottom: 12px;
}

.result-card p {
    color: var(--text-secondary);
    margin-bottom: 24px;
}

.result-actions {
    display: flex;
    gap: 12px;
    justify-content: center;
    flex-wrap: wrap;
}

.save-btn,
.new-btn {
    padding: 12px 24px;
    font-size: 0.9rem;
    font-weight: 600;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 8px;
}

.save-btn {
    background: var(--success);
    border: none;
    color: white;
    box-shadow: 0 4px 15px rgba(16, 185, 129, 0.3);
}

.save-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(16, 185, 129, 0.4);
}

.save-btn svg {
    width: 18px;
    height: 18px;
}

.new-btn {
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
}

.new-btn:hover {
    border-color: var(--accent);
    color: var(--accent);
    background: var(--bg-hover);
}

/* Footer */
footer {
    text-align: center;
    margin-top: 40px;
    padding: 20px;
    color: var(--text-muted);
    font-size: 0.85rem;
}

/* Utility */
.hidden {
    display: none !important;
}

/* Animations for sections */
.preview-section,
.result-section {
    animation: fadeInUp 0.4s ease;
}

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

/* Scrollbar Styling */
::-webkit-scrollbar {
    width: 8px;
}

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

::-webkit-scrollbar-thumb {
    background: var(--bg-hover);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--accent);
}

/* Responsive */
@media (max-width: 480px) {
    .container {
        padding: 20px 16px;
    }

    h1 {
        font-size: 1.8rem;
    }

    .kraken-logo {
        width: 60px;
        height: 60px;
    }

    .drop-zone {
        padding: 40px 20px;
    }

    .format-options {
        grid-template-columns: repeat(auto-fill, minmax(80px, 1fr));
    }
}