/*
  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;
    --secondary: #2a9d8f;
    --secondary-text: #1a1a1a;
    --success: #28a745;
    --warning: #ffc107;
    --danger: #dc3545;
    --white: #FFFFFF;
    --text-primary: #333333;
    --text-secondary: #666666;
    --border: #dee2e6;
    --light: #f8f9fa;
    --warning-bg: #fff3cd;
    --warning-text: #856404;
    --info-bg: #d1ecf1;
    --info-border: #bee5eb;
    --info-text: #0c5460;
    --success-bg: #d4edda;
    --success-border: #c3e6cb;
    --success-text: #155724;
    --danger-bg: #f8d7da;
    --danger-border: #f5c6cb;
    --danger-text: #721c24;
    --primary-hover: #15665b;
    --success-hover: #218838;
    --danger-hover: #c82333;
    --secondary-hover: #239485;
}

/* Dark mode — tool-specific overrides (shared vars in dark-theme.css) */
@media (prefers-color-scheme: dark) {
    :root:not([data-theme="light"]) {
        --light: #333333;
        --info-bg: #203540;
        --info-border: #4dd0e1;
        --info-text: #80deea;
        --success-bg: #1e3d20;
        --success-border: #28a745;
        --success-text: #a8e6cf;
        --primary-hover: #a3e3cf;
    }
}

:root[data-theme="dark"] {
    --light: #333333;
    --info-bg: #203540;
    --info-border: #4dd0e1;
    --info-text: #80deea;
    --success-bg: #1e3d20;
    --success-border: #28a745;
    --success-text: #a8e6cf;
    --primary-hover: #a3e3cf;
}

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

body {
    font-family: 'DM Sans', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    font-size: 15px;
    background-color: var(--bg-color);
    color: var(--text-primary);
    line-height: 1.6;
    padding: 20px;
    max-width: 1400px;
    margin: 0 auto;
}

h1 {
    color: var(--primary);
    text-align: center;
    margin-bottom: 5px;
    font-size: 28px;
}

.subtitle {
    text-align: center;
    color: var(--secondary);
    font-size: 15px;
    font-weight: 600;
    margin-bottom: 5px;
}

.version {
    text-align: center;
    color: var(--secondary);
    font-size: 15px;
    margin-bottom: 20px;
}

.notice-box {
    background-color: var(--warning-bg);
    border: 2px solid var(--warning);
    border-radius: 8px;
    padding: 15px;
    margin-bottom: 20px;
    color: var(--text-primary);
}

.notice-box h3 {
    color: var(--primary);
    margin-bottom: 10px;
    font-size: 18px;
}

.notice-box p {
    margin-bottom: 8px;
    font-size: 15px;
}

.container {
    background: var(--white);
    border-radius: 12px;
    padding: 25px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    margin-bottom: 20px;
    color: var(--text-primary);
}

.section-title {
    color: var(--primary);
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 15px;
    padding-bottom: 8px;
    border-bottom: 2px solid var(--primary);
}

.form-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 15px;
    margin-bottom: 20px;
}

.form-group {
    display: flex;
    flex-direction: column;
}

label {
    font-weight: 600;
    margin-bottom: 5px;
    color: var(--primary);
    font-size: 15px;
}

input[type="number"],
input[type="date"],
input[type="text"],
select {
    padding: 10px;
    border: 2px solid var(--border);
    border-radius: 6px;
    font-size: 15px;
    transition: border-color 0.3s;
}

input[type="number"]:focus,
input[type="date"]:focus,
input[type="text"]:focus,
select:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 5px var(--primary);
}

.radio-group {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 10px;
}

.radio-group input[type="radio"] {
    margin: 0;
    cursor: pointer;
}

.radio-group label {
    margin: 0;
    font-weight: normal;
    cursor: pointer;
}

.btn {
    padding: 12px 24px;
    border: none;
    border-radius: 6px;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
    margin: 5px;
}

.btn-primary {
    background-color: var(--primary);
    color: white;
}

.btn-primary:hover {
    background-color: var(--primary-hover);
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
}

.btn-success {
    background-color: var(--success);
    color: white;
}

.btn-success:hover {
    background-color: var(--success-hover);
}

.btn-danger {
    background-color: var(--danger);
    color: white;
}

.btn-danger:hover {
    background-color: var(--danger-hover);
}

.btn-secondary {
    background-color: var(--secondary);
    color: white;
}

.btn-secondary:hover {
    background-color: var(--secondary-hover);
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.button-group {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 15px;
}

table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 15px;
    font-size: 13px;
}

th,
td {
    padding: 10px 8px;
    text-align: left;
    border-bottom: 1px solid var(--border);
}

th {
    background-color: var(--primary);
    color: white;
    font-weight: 600;
    position: sticky;
    top: 0;
}

tr:hover {
    background-color: var(--light);
}

.delete-btn {
    background-color: var(--danger);
    color: white;
    border: none;
    padding: 6px 12px;
    border-radius: 4px;
    cursor: pointer;
    font-size: 13px;
}

.delete-btn:hover {
    background-color: #c82333;
}

canvas {
    border: 2px solid var(--border);
    border-radius: 8px;
    margin-top: 15px;
    background-color: var(--white);
    max-width: 100%;
    display: block;
}

.chart-container {
    position: relative;
    margin-top: 20px;
}

.chart-selector {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 15px;
}

.chart-selector label {
    font-weight: 600;
    color: var(--primary);
}

.chart-selector select {
    padding: 8px 12px;
    font-size: 15px;
}

.info-box {
    background-color: #d1ecf1;
    border: 1px solid #bee5eb;
    border-radius: 6px;
    padding: 12px;
    margin-bottom: 15px;
}

.alert {
    padding: 12px;
    border-radius: 6px;
    margin-bottom: 15px;
}

.alert-info {
    background-color: var(--info-bg);
    border: 1px solid var(--info-border);
    color: var(--info-text);
}

.alert-warning {
    background-color: var(--warning-bg);
    border: 1px solid var(--warning);
    color: var(--warning-text);
}

.hidden {
    display: none;
}

/* Modal styles */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 1000;
    justify-content: center;
    align-items: center;
}

.modal.show {
    display: flex;
}

.modal-content {
    background: white;
    border-radius: 12px;
    padding: 30px;
    max-width: 800px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
    position: relative;
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    padding-bottom: 15px;
    border-bottom: 2px solid var(--primary);
}

.modal-title {
    color: var(--primary);
    font-size: 20px;
    font-weight: 600;
    margin: 0;
}

.close-btn {
    background: none;
    border: none;
    font-size: 28px;
    color: var(--secondary);
    cursor: pointer;
    padding: 0;
    width: 30px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    line-height: 1;
}

.close-btn:hover {
    color: var(--danger);
}

.modal-instructions {
    background-color: #d1ecf1;
    border: 1px solid #bee5eb;
    border-radius: 6px;
    padding: 15px;
    margin-bottom: 20px;
    font-size: 15px;
}

.modal-instructions h4 {
    margin: 0 0 10px 0;
    color: var(--primary);
    font-size: 15px;
}

.modal-instructions code {
    background-color: rgba(0, 0, 0, 0.05);
    padding: 2px 6px;
    border-radius: 3px;
    font-family: 'Courier New', monospace;
}

.modal-textarea {
    width: 100%;
    min-height: 200px;
    padding: 12px;
    border: 2px solid var(--border);
    border-radius: 6px;
    font-family: 'Courier New', monospace;
    font-size: 13px;
    resize: vertical;
    margin-bottom: 15px;
}

.modal-textarea:focus {
    outline: none;
    border-color: var(--primary);
}

.preview-table-container {
    max-height: 300px;
    overflow-y: auto;
    margin: 20px 0;
}

.preview-table {
    width: 100%;
    font-size: 13px;
}

.preview-table th {
    background-color: var(--success);
}

.success-message {
    background-color: #d4edda;
    border: 1px solid #c3e6cb;
    color: #155724;
    padding: 12px;
    border-radius: 6px;
    margin-bottom: 15px;
}

.error-message {
    background-color: #f8d7da;
    border: 1px solid #f5c6cb;
    color: #721c24;
    padding: 12px;
    border-radius: 6px;
    margin-bottom: 15px;
}

footer {
    text-align: center;
    padding: 20px;
    color: var(--secondary);
    font-size: 13px;
    margin-top: 30px;
}

footer a {
    color: var(--primary);
    text-decoration: none;
}

footer a:hover {
    text-decoration: underline;
}

.patient-info {
    background-color: var(--light);
    padding: 15px;
    border-radius: 8px;
    margin-bottom: 20px;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 15px;
}

.patient-info-item {
    display: flex;
    flex-direction: column;
}

.patient-info-label {
    font-size: 13px;
    color: var(--secondary);
    font-weight: 600;
    margin-bottom: 3px;
}

.patient-info-value {
    font-size: 15px;
    color: var(--primary);
    font-weight: 600;
}

.measurement-row {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr 1fr;
    gap: 15px;
    margin-bottom: 20px;
}

@media print {
    .no-print {
        display: none !important;
    }

    body {
        background-color: white;
    }

    .container {
        box-shadow: none;
    }
}

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

    h1 {
        font-size: 20px;
    }

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

    .measurement-row {
        grid-template-columns: 1fr;
    }
}