/*
  Copyright (c) 2024-2026 Dr. Hanna. All Rights Reserved.
  This software is proprietary and confidential.
  Unauthorized copying, distribution, or use of this file via any medium is strictly prohibited without a valid license.
  For licensing inquiries, please contact: hannafeedingcalc@proton.me
*/
:root {
    --bg-color: #f7fdf8;
    --primary: #1a7a6d;
    --primary-text: #FFFFFF;
    --accent: #2a9d8f;
    --success: #28a745;
    --success-text: #155724;
    --warning: #ffc107;
    --warning-text: #856404;
    --danger: #dc3545;
    --danger-text: #721c24;
    --white: #FFFFFF;
    --text-primary: #333333;
    --text-secondary: #666666;
    --light-bg: #f8f9fa;
    --border: #dee2e6;
    --warning-bg: #fff8e1;
    --danger-bg: #ffebee;
    --success-bg: #f0f9ff;
    --info-bg: #e8f4f8;
    --section-bg: #f9fdfb;
}

/* Dark mode — tool-specific overrides (shared vars in dark-theme.css) */
@media (prefers-color-scheme: dark) {
    :root:not([data-theme="light"]) {
        --accent: #6bb89e;
        --light-bg: #333333;
        --success-text: #80e0a0;
        --success-bg: #203540;
        --info-bg: #1e3038;
        --section-bg: #252525;
    }
}

:root[data-theme="dark"] {
    --accent: #6bb89e;
    --light-bg: #333333;
    --success-text: #80e0a0;
    --success-bg: #203540;
    --info-bg: #1e3038;
    --section-bg: #252525;
}

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

body {
    font-family: 'DM Sans', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    font-size: 15px;
    background-color: var(--bg-color);
    color: var(--text-primary);
    min-height: 100vh;
    padding: 20px;
}

.container {
    max-width: 1000px;
    margin: 0 auto;
}

h1 {
    font-size: 28px;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 4px;
    letter-spacing: -0.5px;
}

.header-logo-container {
    display: flex;
    align-items: center;
    justify-content: flex-start;
    gap: 16px;
    margin-bottom: 24px;
}

.header-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 64px;
    height: 64px;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    border-radius: 14px;
    color: white;
    flex-shrink: 0;
}

.header-text {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.header-subtitle {
    color: var(--text-secondary);
    font-size: 15px;
    font-weight: 400;
}

/* Upload / Load Section */
.demo-protocols {
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 20px;
    margin-bottom: 0;
}

.demo-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: 10px;
}

.demo-btn {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    padding: 12px 14px;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 8px;
    cursor: pointer;
    transition: border-color 0.2s, background 0.2s;
    text-align: left;
}

.demo-btn:hover {
    border-color: var(--primary);
    background: var(--success-bg);
}

.demo-btn:disabled {
    opacity: 0.6;
    cursor: wait;
}

.demo-btn strong {
    color: var(--text);
    font-size: 0.9rem;
    margin-bottom: 2px;
}

.demo-btn span {
    color: var(--text-muted);
    font-size: 0.78rem;
}

.upload-section {
    background: var(--white);
    border: 2px dashed var(--border);
    border-radius: 12px;
    padding: 20px;
    text-align: center;
    margin-bottom: 25px;
    transition: border-color 0.3s, background 0.3s;
    cursor: pointer;
}

.upload-section:hover,
.upload-section.drag-over {
    border-color: var(--accent);
    background: var(--success-bg);
}

.upload-section .icon {
    font-size: 48px;
    margin-bottom: 15px;
}

.upload-section p {
    color: var(--text-secondary);
    margin-bottom: 10px;
}

.upload-section .btn-browse {
    display: inline-block;
    padding: 10px 24px;
    background: var(--primary);
    color: var(--primary-text);
    border: none;
    border-radius: 6px;
    cursor: pointer;
    font-size: 15px;
    font-weight: 600;
    margin-top: 10px;
}

.upload-section .btn-browse:hover {
    opacity: 0.9;
}

/* Protocol loaded banner */
.protocol-loaded {
    background: var(--success-bg);
    border: 1px solid var(--success);
    border-radius: 8px;
    padding: 15px 20px;
    margin-bottom: 25px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.protocol-loaded .info {
    display: flex;
    align-items: center;
    gap: 12px;
}

.protocol-loaded .check {
    font-size: 20px;
    color: var(--success);
}

.protocol-loaded .name {
    font-weight: 600;
    color: var(--text-primary);
}

.protocol-loaded .meta {
    font-size: 13px;
    color: var(--text-secondary);
}

.protocol-loaded .btn-change {
    padding: 6px 14px;
    background: transparent;
    border: 1px solid var(--border);
    border-radius: 4px;
    cursor: pointer;
    color: var(--text-secondary);
    font-size: 13px;
}

/* Configuration Panel */
.config-panel {
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 25px;
    margin-bottom: 25px;
}

.config-panel h2 {
    font-size: 20px;
    color: var(--primary);
    margin-bottom: 20px;
    padding-bottom: 10px;
    border-bottom: 2px solid var(--accent);
}

.config-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
}

.config-grid.single-col {
    grid-template-columns: 1fr;
}

.config-field label {
    display: block;
    font-weight: 600;
    font-size: 13px;
    color: var(--text-secondary);
    margin-bottom: 5px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.config-field input,
.config-field textarea,
.config-field select {
    width: 100%;
    padding: 8px 12px;
    border: 1px solid var(--border);
    border-radius: 6px;
    font-size: 15px;
    font-family: inherit;
    background: var(--white);
    color: var(--text-primary);
}

.config-field textarea {
    min-height: 60px;
    resize: vertical;
}

/* Section toggles */
.section-toggles {
    margin-top: 20px;
}

.section-toggle {
    display: flex;
    align-items: center;
    padding: 10px 0;
    border-bottom: 1px solid var(--border);
}

.section-toggle:last-child {
    border-bottom: none;
}

.section-toggle input[type="checkbox"] {
    width: auto;
    margin-right: 12px;
    cursor: pointer;
    transform: scale(1.2);
}

.section-toggle .toggle-label {
    font-weight: 500;
    flex: 1;
}

.section-toggle .toggle-desc {
    font-size: 13px;
    color: var(--text-secondary);
}

/* Generate button */
.generate-section {
    text-align: center;
    margin: 30px 0;
}

.btn-generate {
    padding: 14px 40px;
    background: var(--primary);
    color: var(--primary-text);
    border: none;
    border-radius: 8px;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
}

.btn-generate:hover {
    opacity: 0.9;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.btn-generate:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

/* Preview section */
.preview-section {
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 25px;
    margin-bottom: 25px;
}

.preview-section h2 {
    font-size: 20px;
    color: var(--primary);
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.preview-toc {
    list-style: none;
    padding: 0;
}

.preview-toc li {
    padding: 8px 12px;
    border-left: 3px solid var(--accent);
    margin-bottom: 4px;
    font-size: 15px;
    color: var(--text-primary);
    background: var(--section-bg);
    border-radius: 0 4px 4px 0;
}

.preview-toc li.disabled {
    opacity: 0.4;
    text-decoration: line-through;
    border-left-color: var(--border);
}

/* Status / progress */
.status-bar {
    background: var(--info-bg);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 12px 16px;
    margin-bottom: 20px;
    font-size: 15px;
    display: none;
}

.status-bar.visible {
    display: block;
}

.status-bar.success {
    background: var(--success-bg);
    border-color: var(--success);
    color: var(--success-text);
}

.status-bar.error {
    background: var(--danger-bg);
    border-color: var(--danger);
    color: var(--danger-text);
}

/* Hidden file input */
.hidden {
    display: none !important;
}

/* Responsive */
@media (max-width: 768px) {
    body {
        padding: 10px;
    }

    .config-grid {
        grid-template-columns: 1fr;
    }

    .upload-section {
        padding: 25px;
    }

    h1 {
        font-size: 20px;
    }
}