/* ============================================
   C.A.R.E. Shelter Donation Data Aggregation
   Main Stylesheet
   Copyright (C) 2025 Henry Post
   Licensed under GPL-3.0
   ============================================ */

/* ============================================
   CSS VARIABLES - LIGHT MODE (DEFAULT)
   ============================================ */

:root {
    /* Background colors */
    --bg-primary: #f5f5f5;
    --bg-secondary: white;
    --bg-tertiary: #f9f9f9;
    --bg-highlight: #e8f4f8;
    --bg-highlight-yellow: #fff9e6;
    --bg-success: #e8f5e9;
    --bg-warning: #fff3cd;
    --bg-error: #ffebee;
    --bg-info: #e3f2fd;
    --bg-privacy: #e8f8e8;

    /* Text colors */
    --text-primary: #333;
    --text-secondary: #555;
    --text-tertiary: #666;
    --text-inverse: white;

    /* Brand colors */
    --color-primary: #0066cc;
    --color-primary-hover: #0052a3;
    --color-success: #28a745;
    --color-success-hover: #218838;
    --color-warning: #ffc107;
    --color-error: #c62828;
    --color-info: #2196f3;
    --color-secondary: #6c757d;
    --color-secondary-hover: #5a6268;

    /* Navbar colors */
    --navbar-bg: #0066cc;
    --navbar-bg-hover: #0052a3;

    /* Border colors */
    --border-color: #ddd;
    --border-color-light: #e8e8e8;
    --navbar-border: rgba(255, 255, 255, 0.1);

    /* Shadow */
    --shadow-sm: 0 2px 4px rgba(0,0,0,0.1);

    /* Table colors */
    --table-header-bg: #0066cc;
    --table-row-hover: #f5f5f5;

    /* Code block colors */
    --code-bg: #e8e8e8;

    /* Input colors */
    --input-bg: #f8f9fa;
    --input-border: #0066cc;
    --input-hover-bg: #e3f2fd;
}

/* ============================================
   CSS VARIABLES - DARK MODE
   ============================================ */

@media (prefers-color-scheme: dark) {
    :root {
        /* Background colors */
        --bg-primary: #1a1a1a;
        --bg-secondary: #2d2d2d;
        --bg-tertiary: #3a3a3a;
        --bg-highlight: #1e3a52;
        --bg-highlight-yellow: #3d3520;
        --bg-success: #1b3a1f;
        --bg-warning: #3d3420;
        --bg-error: #3d1f1f;
        --bg-info: #1e2f4a;
        --bg-privacy: #1f3a1f;

        /* Text colors */
        --text-primary: #e0e0e0;
        --text-secondary: #c0c0c0;
        --text-tertiary: #a0a0a0;
        --text-inverse: #e0e0e0;

        /* Brand colors (slightly adjusted for dark mode) */
        --color-primary: #4d9fff;
        --color-primary-hover: #66adff;
        --color-success: #4caf50;
        --color-success-hover: #66bb6a;
        --color-warning: #ffd54f;
        --color-error: #ef5350;
        --color-info: #42a5f5;
        --color-secondary: #8a939b;
        --color-secondary-hover: #a0a7ae;

        /* Navbar colors - darker for better contrast in dark mode */
        --navbar-bg: #1a3d5c;
        --navbar-bg-hover: #2d4f6e;

        /* Border colors */
        --border-color: #4a4a4a;
        --border-color-light: #3a3a3a;
        --navbar-border: rgba(255, 255, 255, 0.05);

        /* Shadow */
        --shadow-sm: 0 2px 4px rgba(0,0,0,0.3);

        /* Table colors */
        --table-header-bg: #1e4d7a;
        --table-row-hover: #3a3a3a;

        /* Code block colors */
        --code-bg: #3a3a3a;

        /* Input colors */
        --input-bg: #3a3a3a;
        --input-border: #4d9fff;
        --input-hover-bg: #1e2f4a;
    }
}

/* ============================================
   BASE STYLES
   ============================================ */

body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    background-color: var(--bg-primary);
    color: var(--text-primary);
}

/* Navigation Bar */
.navbar {
    background-color: var(--navbar-bg);
    padding: 0;
    box-shadow: var(--shadow-sm);
}

.navbar-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    align-items: center;
}

.navbar-brand {
    color: white;
    font-size: 1.2em;
    font-weight: bold;
    padding: 15px 20px;
    text-decoration: none;
}

.navbar-brand:hover {
    background-color: var(--navbar-bg-hover);
}

.navbar-menu {
    display: flex;
    list-style: none;
    margin: 0;
    padding: 0;
}

.navbar-menu li {
    margin: 0;
}

.navbar-menu a {
    display: block;
    color: white;
    padding: 15px 20px;
    text-decoration: none;
    transition: background-color 0.2s;
}

.navbar-menu a:hover {
    background-color: var(--navbar-bg-hover);
}

/* Container */
.container {
    max-width: 1200px;
    margin: 30px auto;
    padding: 30px;
    background-color: var(--bg-secondary);
    border-radius: 8px;
    box-shadow: var(--shadow-sm);
}

h1 {
    color: var(--text-primary);
}

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

a:hover {
    text-decoration: underline;
}

/* Footer */
.footer {
    max-width: 1200px;
    margin: 30px auto;
    padding: 20px;
    text-align: center;
    color: var(--text-tertiary);
    font-size: 0.9em;
}

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

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


/* ============================================
   ABOUT PAGE
   ============================================ */

.content {
    line-height: 1.8;
}

.content h2 {
    color: var(--color-primary);
    margin-top: 30px;
}

.content ul {
    margin: 15px 0;
}

.content li {
    margin: 10px 0;
}

.highlight-box {
    background-color: var(--bg-highlight);
    padding: 20px;
    border-radius: 5px;
    margin: 20px 0;
}

.back-link {
    margin-top: 30px;
}


/* ============================================
   ERROR PAGE
   ============================================ */

.error-container {
    max-width: 800px;
    margin: 20px auto;
}

.error-box {
    background-color: var(--bg-error);
    padding: 30px;
    border-radius: 8px;
    border-left: 5px solid var(--color-error);
    margin-bottom: 20px;
}

.error-box h1 {
    color: var(--color-error);
    margin-top: 0;
}

.error-message {
    background-color: var(--bg-secondary);
    padding: 15px;
    border-radius: 4px;
    font-family: 'Courier New', monospace;
    color: var(--text-primary);
    white-space: pre-wrap;
    word-wrap: break-word;
    margin: 15px 0;
}

.suggestions {
    background-color: var(--bg-warning);
    padding: 20px;
    border-radius: 8px;
    border-left: 5px solid var(--color-warning);
}

.suggestions h2 {
    color: var(--color-warning);
    margin-top: 0;
}

.suggestions ul {
    margin: 10px 0;
    padding-left: 20px;
}

.suggestions li {
    margin: 8px 0;
}

.action-buttons {
    margin-top: 20px;
    text-align: center;
}

.btn {
    display: inline-block;
    padding: 12px 24px;
    margin: 0 10px;
    border-radius: 5px;
    text-decoration: none;
    font-weight: bold;
}

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

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

.btn:hover {
    opacity: 0.9;
}


/* ============================================
   FAQ PAGE
   ============================================ */

.faq-section {
    margin: 30px 0;
}

.faq-item {
    margin: 25px 0;
    padding: 20px;
    background-color: var(--bg-tertiary);
    border-radius: 5px;
    border-left: 4px solid var(--color-primary);
}

.faq-question {
    font-size: 1.1em;
    font-weight: bold;
    color: var(--text-primary);
    margin-bottom: 10px;
}

.faq-answer {
    line-height: 1.6;
    color: var(--text-secondary);
}

.faq-item.faq-privacy {
    background-color: var(--bg-privacy);
    border-left-color: var(--color-success);
}

.faq-item.faq-info {
    background-color: var(--bg-info);
    border-left-color: var(--color-info);
}


/* ============================================
   HOME PAGE
   ============================================ */

.instructions {
    background-color: var(--bg-highlight);
    padding: 20px;
    border-radius: 5px;
    margin: 20px 0;
}

.instructions h2 {
    margin-top: 0;
    color: var(--color-primary);
}

.instructions ul {
    line-height: 1.8;
}

.sheet-list {
    background-color: var(--bg-highlight-yellow);
    padding: 15px;
    border-radius: 5px;
    margin: 15px 0;
}

.upload-form {
    margin: 30px 0;
}

.file-input-wrapper {
    position: relative;
    display: inline-block;
    width: 100%;
    margin: 10px 0;
}

input[type="file"] {
    width: 100%;
    padding: 15px;
    border: 2px dashed var(--input-border);
    border-radius: 8px;
    background-color: var(--input-bg);
    color: var(--text-primary);
    cursor: pointer;
    font-size: 14px;
    transition: all 0.3s ease;
}

input[type="file"]:hover {
    background-color: var(--input-hover-bg);
    border-color: var(--color-primary-hover);
}

input[type="file"]::file-selector-button {
    background-color: var(--color-primary);
    color: var(--text-inverse);
    padding: 10px 20px;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-size: 14px;
    margin-right: 15px;
}

input[type="file"]::file-selector-button:hover {
    background-color: var(--color-primary-hover);
}

button {
    background-color: var(--color-success);
    color: var(--text-inverse);
    padding: 15px 40px;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-size: 16px;
    font-weight: bold;
    width: 100%;
    transition: background-color 0.3s ease;
}

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

.link {
    margin-top: 20px;
}

.privacy-notice {
    background-color: var(--bg-privacy);
    border-left: 4px solid var(--color-success);
    padding: 15px;
    margin: 20px 0;
    border-radius: 5px;
}

.privacy-notice p {
    margin: 5px 0;
    font-size: 0.95em;
}


/* ============================================
   MAPPINGS PAGE
   ============================================ */

.controls {
    margin: 20px 0;
    padding: 15px;
    background-color: var(--bg-tertiary);
    border-radius: 5px;
}

.controls label {
    margin-right: 15px;
    font-weight: bold;
}

.controls select {
    padding: 5px 10px;
    border-radius: 3px;
    border: 1px solid var(--border-color);
    background-color: var(--bg-secondary);
    color: var(--text-primary);
}

#viz-container {
    margin: 30px 0;
    min-height: 600px;
    border: 1px solid var(--border-color);
    border-radius: 5px;
    background-color: var(--bg-secondary);
    position: relative;
}

#loading {
    text-align: center;
    padding: 50px;
    color: var(--text-tertiary);
}

.node rect {
    cursor: move;
    fill-opacity: .9;
    shape-rendering: crispEdges;
}

.node text {
    pointer-events: none;
    text-shadow: 0 1px 0 var(--bg-secondary);
    font-size: 12px;
    fill: var(--text-primary);
}

.link {
    fill: none;
    stroke: var(--text-primary);
    stroke-opacity: .2;
}

.link:hover {
    stroke-opacity: .5;
}

.tooltip {
    position: absolute;
    text-align: center;
    padding: 8px;
    font-size: 12px;
    background: rgba(0, 0, 0, 0.8);
    color: white;
    border-radius: 4px;
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.3s;
}

.sheet-mapping {
    margin: 30px 0;
    padding: 20px;
    background-color: var(--bg-tertiary);
    border-radius: 5px;
}

h3 {
    color: var(--color-primary);
    margin-top: 0;
}

table {
    width: 100%;
    border-collapse: collapse;
    margin: 15px 0;
}

th, td {
    padding: 12px;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

th {
    background-color: var(--table-header-bg);
    color: var(--text-inverse);
}

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

code {
    background-color: var(--code-bg);
    padding: 2px 6px;
    border-radius: 3px;
    font-family: 'Courier New', monospace;
}


/* ============================================
   ORPHAN MAPPINGS PAGE
   ============================================ */

.sheet-mapping.complete {
    background-color: var(--bg-success);
    border-left: 4px solid var(--color-success);
}

.sheet-mapping.has-orphans {
    background-color: var(--bg-warning);
    border-left: 4px solid var(--color-warning);
}

.stats {
    display: flex;
    gap: 20px;
    margin: 20px 0;
    padding: 15px;
    background-color: var(--bg-secondary);
    border-radius: 5px;
}

.stat-box {
    flex: 1;
    text-align: center;
    padding: 15px;
    border-radius: 5px;
    background-color: var(--bg-tertiary);
}

.stat-number {
    font-size: 32px;
    font-weight: bold;
    color: var(--color-primary);
}

.stat-label {
    font-size: 14px;
    color: var(--text-tertiary);
    margin-top: 5px;
}

.badge {
    display: inline-block;
    padding: 4px 8px;
    border-radius: 3px;
    font-size: 12px;
    font-weight: bold;
}

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

.badge-warning {
    background-color: var(--color-warning);
    color: #1a1a1a;
}

.info-box {
    margin: 20px 0;
    padding: 15px;
    background-color: var(--bg-info);
    border-left: 4px solid var(--color-primary);
    border-radius: 5px;
}

.privacy-box {
    background-color: var(--bg-privacy);
    border-left: 4px solid var(--color-success);
}

.version-box {
    background-color: var(--bg-tertiary);
}

.version-list {
    list-style: none;
    padding-left: 0;
}

.version-link {
    margin-top: 15px;
    font-size: 0.9em;
}

.loading-message {
    text-align: center;
    padding: 50px;
    color: var(--text-tertiary);
}

.error-message-text {
    color: var(--color-error);
}

.complete-message {
    color: var(--color-success);
    font-weight: bold;
}

.hidden {
    display: none;
}

.view-toggle-btn {
    margin-left: 20px;
}

.sheet-download-section {
    margin: 15px 0;
}

.sample-info-bottom {
    margin-top: 40px;
}

.centered-section {
    text-align: center;
    margin: 40px 0;
}

.download-button-secondary {
    background-color: var(--color-secondary);
    margin-top: 10px;
}

.download-button-info {
    background-color: var(--color-info);
    margin-top: 10px;
}

.expiry-note {
    margin-top: 15px;
    color: var(--text-tertiary);
    font-size: 0.9em;
}

.dedup-note {
    margin-top: 15px;
}


/* ============================================
   SAMPLE PAGE
   ============================================ */

.sample-section {
    margin: 30px 0;
}

.sample-info {
    background-color: var(--bg-info);
    padding: 20px;
    border-radius: 8px;
    border-left: 5px solid var(--color-info);
    margin: 20px 0;
}

.sheet-section {
    margin: 40px 0;
    padding: 20px;
    background-color: var(--bg-tertiary);
    border-radius: 8px;
}

.sheet-section h2 {
    color: var(--color-primary);
    margin-top: 0;
}

.data-table {
    overflow-x: auto;
    margin: 20px 0;
}

.data-table table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.85em;
    white-space: nowrap;
}

.data-table th {
    background-color: var(--table-header-bg);
    color: var(--text-inverse);
    padding: 10px;
    text-align: left;
    position: sticky;
    top: 0;
    font-weight: bold;
}

.data-table td {
    padding: 8px 10px;
    border-bottom: 1px solid var(--border-color);
}

.data-table tr:hover {
    background-color: var(--table-row-hover);
}

.download-btn {
    display: inline-block;
    padding: 12px 24px;
    background-color: var(--color-success);
    color: var(--text-inverse);
    text-decoration: none;
    border-radius: 5px;
    font-weight: bold;
    margin: 20px 0;
}

.download-btn:hover {
    background-color: var(--color-success-hover);
    text-decoration: none;
}

.note {
    background-color: var(--bg-warning);
    padding: 15px;
    border-radius: 5px;
    border-left: 4px solid var(--color-warning);
    margin: 15px 0;
}


/* ============================================
   SUCCESS PAGE
   ============================================ */

.success-container {
    max-width: 900px;
    margin: 20px auto;
}

.success-box {
    background-color: var(--bg-success);
    padding: 30px;
    border-radius: 8px;
    border-left: 5px solid var(--color-success);
    margin-bottom: 20px;
}

.success-box h1 {
    color: var(--color-success);
    margin-top: 0;
}

.download-box {
    background-color: var(--bg-info);
    padding: 25px;
    border-radius: 8px;
    text-align: center;
    margin: 20px 0;
}

.download-button {
    display: inline-block;
    padding: 15px 40px;
    background-color: var(--color-primary);
    color: var(--text-inverse);
    text-decoration: none;
    border-radius: 5px;
    font-size: 1.1em;
    font-weight: bold;
    margin: 10px 0;
}

.download-button:hover {
    background-color: var(--color-primary-hover);
    text-decoration: none;
}

.warnings-box {
    background-color: var(--bg-warning);
    padding: 20px;
    border-radius: 8px;
    border-left: 5px solid var(--color-warning);
    margin: 20px 0;
}

.warnings-box h2 {
    color: var(--color-warning);
    margin-top: 0;
}

.warnings-box ul {
    margin: 10px 0;
    padding-left: 20px;
}

.warnings-box li {
    margin: 8px 0;
    color: var(--text-primary);
}

.action-links {
    text-align: center;
    margin-top: 30px;
}

.action-links a {
    display: inline-block;
    margin: 0 10px;
    padding: 10px 20px;
    background-color: var(--color-secondary);
    color: var(--text-inverse);
    text-decoration: none;
    border-radius: 5px;
}

.action-links a:hover {
    background-color: var(--color-secondary-hover);
    text-decoration: none;
}

.dedup-log-box {
    background-color: var(--bg-info);
    padding: 20px;
    border-radius: 8px;
    border-left: 5px solid var(--color-info);
    margin: 20px 0;
}

.dedup-log-box h2 {
    color: var(--color-info);
    margin-top: 0;
}

.dedup-log {
    background-color: var(--bg-tertiary);
    padding: 15px;
    border-radius: 5px;
    font-family: 'Courier New', 'Consolas', 'Monaco', monospace !important;
    font-size: 0.85em;
    overflow-x: auto;
    white-space: pre-wrap;
    word-wrap: break-word;
    max-height: 500px;
    overflow-y: auto;
}


/* ============================================
   MOBILE RESPONSIVE STYLES
   ============================================ */

/* Base Layout - Mobile (max-width: 768px) */
@media (max-width: 768px) {
    .navbar-container {
        flex-direction: column;
        align-items: stretch;
    }

    .navbar-brand {
        text-align: center;
        font-size: 1em;
        padding: 12px 15px;
    }

    .navbar-menu {
        flex-direction: column;
        width: 100%;
    }

    .navbar-menu li {
        border-top: 1px solid var(--navbar-border);
    }

    .navbar-menu a {
        padding: 12px 20px;
        text-align: center;
    }

    .container {
        margin: 15px;
        padding: 20px 15px;
        border-radius: 5px;
    }

    h1 {
        font-size: 1.5em;
    }

    h2 {
        font-size: 1.3em;
    }

    h3 {
        font-size: 1.1em;
    }

    .footer {
        margin: 15px;
        padding: 15px;
        font-size: 0.85em;
    }

    .footer p {
        line-height: 1.6;
    }

    /* Home page mobile */
    .instructions, .privacy-notice {
        padding: 15px;
        margin: 15px 0;
    }

    .instructions ul, .sheet-list ul {
        padding-left: 20px;
    }

    input[type="file"] {
        font-size: 16px;
        padding: 20px 15px;
    }

    input[type="file"]::file-selector-button {
        padding: 12px 24px;
        font-size: 15px;
        display: block;
        width: 100%;
        margin-bottom: 15px;
        margin-right: 0;
    }

    button {
        width: 100%;
        padding: 15px 20px;
        font-size: 1.1em;
    }

    .link {
        line-height: 2;
    }

    /* Sample page mobile */
    .sample-info, .note, .sheet-section {
        padding: 15px;
        margin: 15px 0;
    }

    .download-btn {
        padding: 10px 20px;
        font-size: 0.9em;
        display: block;
        text-align: center;
        margin: 10px 0;
    }

    .data-table {
        font-size: 0.8em;
    }

    .data-table th, .data-table td {
        padding: 6px 8px;
        white-space: normal;
        word-wrap: break-word;
        min-width: 80px;
    }

    .sheet-section h2 {
        font-size: 1.2em;
    }

    .sample-info ol {
        padding-left: 20px;
    }

    /* Success page mobile */
    .success-box, .download-box, .warnings-box, .info-box {
        padding: 20px 15px;
        margin: 15px 0;
    }

    .stats {
        flex-direction: column;
        align-items: stretch;
    }

    .stat-box {
        margin: 8px 0;
    }

    .download-button {
        padding: 12px 30px;
        font-size: 1em;
        width: 100%;
        box-sizing: border-box;
    }

    .action-links a {
        display: block;
        margin: 10px 0;
    }
}

/* Extra Small Mobile (max-width: 480px) */
@media (max-width: 480px) {
    .navbar-brand {
        font-size: 0.9em;
        padding: 10px;
    }

    .navbar-menu a {
        padding: 10px;
        font-size: 0.9em;
    }

    .container {
        margin: 10px;
        padding: 15px 10px;
    }

    h1 {
        font-size: 1.3em;
    }

    h2 {
        font-size: 1.2em;
    }

    .footer {
        font-size: 0.8em;
    }

    /* Home page extra small */
    .instructions, .privacy-notice {
        padding: 12px;
    }

    .instructions h2 {
        font-size: 1.2em;
    }

    input[type="file"] {
        font-size: 15px;
        padding: 18px 12px;
    }

    input[type="file"]::file-selector-button {
        padding: 12px 20px;
        font-size: 14px;
    }

    button {
        padding: 14px 20px;
        font-size: 1em;
    }

    .privacy-notice p {
        font-size: 0.9em;
    }

    /* Sample page extra small */
    .data-table {
        font-size: 0.75em;
    }

    .data-table th, .data-table td {
        padding: 5px;
        min-width: 60px;
    }

    .download-btn {
        padding: 8px 15px;
        font-size: 0.85em;
    }

    /* Success page extra small */
    .success-box, .download-box {
        padding: 15px 10px;
    }

    .stat-number {
        font-size: 1.5em;
    }

    .download-button {
        padding: 10px 20px;
        font-size: 0.95em;
    }
}