/**
 * ╔═══════════════════════════════════════════════════════════════════════════╗
 * ║                  Black Ribbon Memorial Overlay - Styles                   ║
 * ║                        Powered by Priesdelly                              ║
 * ║                     © 2025 - github.com/priesdelly                        ║
 * ╠═══════════════════════════════════════════════════════════════════════════╣
 * ║  Elegant, respectful design in monochrome palette                         ║
 * ║  Colors: White, Black, Gray - Representing mourning and remembrance       ║
 * ║  Responsive design for all devices                                        ║
 * ║                                                                            ║
 * ║  Created with love and respect for those we remember 🕯️                   ║
 * ╚═══════════════════════════════════════════════════════════════════════════╝
 */

/* Reset and base styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Sarabun', 'Sukhumvit Set', sans-serif;
    line-height: 1.6;
    color: #2c2c2c;
    background: linear-gradient(135deg, #f5f5f5 0%, #e0e0e0 100%);
    min-height: 100vh;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

/* Header - Removed for cleaner look */

/* Main content */
main {
    display: grid;
    grid-template-columns: 1fr 300px;
    gap: 30px;
    margin-bottom: 30px;
}

/* Canvas container */
.canvas-container {
    position: relative;
    background: #ffffff;
    border-radius: 12px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.08);
    overflow: hidden;
    min-height: 400px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 2px solid #d0d0d0;
}

#mainCanvas {
    max-width: 100%;
    max-height: 80vh; /* Allow larger images, up to 80% of viewport height */
    border: 2px solid #a0a0a0;
    border-radius: 8px;
    display: block;
    position: relative;
    background: #fafafa;
}

.ribbon-overlay {
    position: absolute;
    top: 0;
    left: 0;
    pointer-events: none;
    z-index: 10;
    overflow: hidden;
}

#ribbonImage {
    position: absolute;
    top: 20px;
    right: 20px;
    width: 60px;
    height: auto;
    pointer-events: auto;
    cursor: move;
    filter: drop-shadow(0 3px 8px rgba(0, 0, 0, 0.25));
    transition: transform 0.2s ease;
}

#ribbonImage:hover {
    transform: scale(1.05);
    filter: drop-shadow(0 4px 12px rgba(0, 0, 0, 0.3));
}

#ribbonImage.dragging {
    transform: scale(1.1);
    z-index: 1000;
}

/* Controls panel */
.controls-panel {
    background: #ffffff;
    border-radius: 12px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.08);
    padding: 25px;
    height: fit-content;
    border: 2px solid #d0d0d0;
}

.control-group {
    margin-bottom: 25px;
    padding-bottom: 20px;
    border-bottom: 2px solid #e8e8e8;
}

.control-group:last-child {
    border-bottom: none;
    margin-bottom: 0;
}

.control-group h3 {
    color: #2c2c2c;
    font-size: 1.2rem;
    margin-bottom: 15px;
    font-weight: 600;
}

/* Subtitle styles */
.subtitle {
    font-size: 0.85rem;
    font-weight: 400;
    color: #666;
    display: block;
    margin-top: 2px;
}

.label-subtitle {
    font-size: 0.85rem;
    font-weight: 400;
    color: #777;
}

.btn-subtitle {
    font-size: 0.85rem;
    font-weight: 400;
    opacity: 0.9;
}

.footer-subtitle {
    font-size: 0.9rem;
    color: #888;
    display: block;
    margin-top: 5px;
}

/* Form elements */
input[type="file"] {
    width: 100%;
    padding: 10px;
    border: 2px dashed #999;
    border-radius: 8px;
    background: #fafafa;
    color: #2c2c2c;
    cursor: pointer;
    margin-bottom: 10px;
    transition: all 0.3s ease;
}

input[type="file"]:hover {
    border-color: #666;
    background: #f0f0f0;
}

input[type="range"] {
    width: 100%;
    margin: 10px 0;
    -webkit-appearance: none;
    appearance: none;
    height: 8px;
    border-radius: 4px;
    background: #d0d0d0;
    outline: none;
}

input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 22px;
    height: 22px;
    border-radius: 50%;
    background: #4a4a4a;
    cursor: pointer;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
    transition: all 0.2s ease;
}

input[type="range"]::-webkit-slider-thumb:hover {
    transform: scale(1.1);
    background: #2c2c2c;
    box-shadow: 0 3px 12px rgba(0, 0, 0, 0.3);
}

input[type="range"]::-moz-range-thumb {
    width: 22px;
    height: 22px;
    border-radius: 50%;
    background: #4a4a4a;
    cursor: pointer;
    border: none;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
    transition: all 0.2s ease;
}

input[type="range"]::-moz-range-thumb:hover {
    transform: scale(1.1);
    background: #2c2c2c;
    box-shadow: 0 3px 12px rgba(0, 0, 0, 0.3);
}

input[type="range"]:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

input[type="range"]:disabled::-webkit-slider-thumb {
    background: #b0b0b0;
    cursor: not-allowed;
}

input[type="range"]:disabled::-moz-range-thumb {
    background: #b0b0b0;
    cursor: not-allowed;
}

input[type="checkbox"] {
    margin-right: 8px;
    transform: scale(1.2);
    flex-shrink: 0;
}

.checkbox-label {
    display: flex;
    align-items: center;
    cursor: pointer;
    font-weight: 500;
}

.checkbox-text {
    display: inline;
    white-space: normal;
    line-height: 1.4;
}

label {
    display: block;
    margin: 10px 0 5px 0;
    font-weight: 500;
    color: #2c2c2c;
}

/* Buttons */
.btn-primary, .btn-secondary {
    padding: 12px 24px;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    width: 100%;
    margin-top: 10px;
    line-height: 1.4;
}

.btn-primary {
    background: #2c2c2c;
    color: white;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.15);
}

.btn-primary:hover:not(:disabled) {
    transform: translateY(-2px);
    background: #1a1a1a;
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.25);
}

.btn-primary:disabled {
    background: #b0b0b0;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

.btn-secondary {
    background: #e8e8e8;
    color: #2c2c2c;
    border: 2px solid #c0c0c0;
}

.btn-secondary:hover {
    background: #d0d0d0;
    border-color: #a0a0a0;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

/* Notice Banner */
.notice-banner {
    background: linear-gradient(135deg, #fff9e6 0%, #fff5d6 100%);
    border: 2px solid #d4b896;
    border-left: 6px solid #8b7355;
    border-radius: 12px;
    padding: 20px;
    margin-bottom: 30px;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
}

.notice-banner.collapsed {
    padding: 12px 20px;
}

.notice-header {
    display: flex;
    align-items: center;
    gap: 12px;
    cursor: pointer;
    user-select: none;
}

.notice-header:hover {
    opacity: 0.8;
}

.notice-icon {
    font-size: 1.5rem;
    line-height: 1;
    flex-shrink: 0;
}

.notice-header-text {
    flex: 1;
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
}

.notice-title-inline {
    font-size: 1.1rem;
    font-weight: bold;
    color: #2c2c2c;
    font-family: 'Sarabun', 'Sukhumvit Set', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

.notice-title-inline-en {
    font-size: 0.95rem;
    font-weight: 600;
    color: #5a5a5a;
    font-style: italic;
}

.notice-toggle {
    font-size: 1.2rem;
    color: #6a6a6a;
    flex-shrink: 0;
    transition: transform 0.3s ease;
}

.notice-content {
    margin-top: 15px;
    padding-top: 15px;
    border-top: 1px solid #d4b896;
    display: block;
    animation: slideDown 0.3s ease;
}

@keyframes slideDown {
    from {
        opacity: 0;
        max-height: 0;
    }
    to {
        opacity: 1;
        max-height: 500px;
    }
}

.notice-text {
    font-size: 0.95rem;
    color: #4a4a4a;
    line-height: 1.7;
    margin-bottom: 8px;
    text-align: justify;
    font-family: 'Sarabun', 'Sukhumvit Set', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

.notice-subtitle {
    font-size: 0.85rem;
    color: #6a6a6a;
    line-height: 1.6;
    font-style: italic;
    text-align: justify;
}

/* Footer */
footer {
    text-align: center;
    padding: 20px;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
    color: #5a5a5a;
    font-size: 0.9rem;
    border: 2px solid #d0d0d0;
    line-height: 1.6;
}

.footer-source {
    margin-top: 12px;
    padding-top: 12px;
    border-top: 1px solid #e0e0e0;
    font-size: 0.8rem;
}

.footer-source a {
    color: #6a6a6a;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    transition: all 0.3s ease;
    opacity: 0.8;
}

.footer-source a:hover {
    color: #2c2c2c;
    opacity: 1;
    text-decoration: underline;
}

/* Responsive design */
@media (max-width: 768px) {
    .container {
        padding: 15px;
    }

    main {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .notice-banner {
        padding: 15px;
    }

    .notice-banner.collapsed {
        padding: 10px 15px;
    }

    .notice-header {
        gap: 8px;
    }

    .notice-icon {
        font-size: 1.3rem;
    }

    .notice-title-inline {
        font-size: 1rem;
    }

    .notice-title-inline-en {
        font-size: 0.85rem;
    }

    .notice-text {
        font-size: 0.9rem;
    }

    .notice-subtitle {
        font-size: 0.8rem;
    }

    .notice-content {
        margin-top: 12px;
        padding-top: 12px;
    }

    header h1 {
        font-size: 2rem;
    }

    .controls-panel {
        padding: 20px;
    }

    .canvas-container {
        min-height: 300px;
    }

    #mainCanvas {
        max-height: 400px;
    }
}

@media (max-width: 480px) {
    header h1 {
        font-size: 1.8rem;
    }

    header p {
        font-size: 1rem;
    }

    .controls-panel {
        padding: 15px;
    }

    .control-group {
        margin-bottom: 20px;
        padding-bottom: 15px;
    }
}

/* Loading state */
.loading {
    opacity: 0.6;
    pointer-events: none;
}

/* Drag feedback */
.drag-feedback {
    position: absolute;
    background: rgba(52, 152, 219, 0.1);
    border: 2px dashed #3498db;
    border-radius: 4px;
    pointer-events: none;
    z-index: 1000;
}

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

.text-center {
    text-align: center;
}

.mt-20 {
    margin-top: 20px;
}

.mb-20 {
    margin-bottom: 20px;
}

/* Cookie Consent Popup */
.cookie-consent {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: rgba(44, 44, 44, 0.98);
    color: white;
    padding: 20px;
    box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.3);
    z-index: 10000;
    display: none;
    animation: slideUp 0.4s ease-out;
}

.cookie-consent.show {
    display: block;
}

@keyframes slideUp {
    from {
        transform: translateY(100%);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.cookie-content {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    flex-wrap: wrap;
}

.cookie-title {
    font-size: 1.1rem;
    font-weight: 600;
    margin: 0 0 5px 0;
}

.cookie-text {
    margin: 0;
    font-size: 0.95rem;
    line-height: 1.5;
    flex: 1;
    min-width: 250px;
}

.cookie-subtitle {
    font-size: 0.85rem;
    opacity: 0.8;
}

.cookie-btn {
    background: white;
    color: #2c2c2c;
    border: none;
    padding: 12px 30px;
    border-radius: 6px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    white-space: nowrap;
}

.cookie-btn:hover {
    background: #f0f0f0;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(255, 255, 255, 0.3);
}

@media (max-width: 768px) {
    .cookie-content {
        flex-direction: column;
        text-align: center;
    }

    .cookie-btn {
        width: 100%;
    }
}