/* ============================================
   AssignedAccess XML Builder - Theme
   ============================================ */

/* ============================================
   CSS Variables & Theme (Indigo + Neutral Gray)
   ============================================ */
:root {
    /* Theme Colors - Light Mode */
    --bg-primary: #f9fafb;
    --bg-secondary: #ffffff;
    --bg-tertiary: #f3f4f6;
    --text-primary: #111827;
    --text-secondary: #6b7280;
    --accent: #6366f1;
    --accent-hover: #4f46e5;
    --success: #10b981;
    --warning: #f59e0b;
    --error: #ef4444;
    --border: #e5e7eb;
    --code-bg: #1f2937;
    --code-text: #f9fafb;
}

[data-theme="dark"] {
    /* Theme Colors - Dark Mode */
    --bg-primary: #111827;
    --bg-secondary: #1f2937;
    --bg-tertiary: #374151;
    --text-primary: #f9fafb;
    --text-secondary: #9ca3af;
    --accent: #818cf8;
    --accent-hover: #a5b4fc;
    --border: #374151;
    --code-bg: #0f172a;
    --code-text: #e2e8f0;
}

/* ============================================
   Accessibility - Skip Link
   ============================================ */
.skip-link {
    position: absolute;
    top: -100px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--accent);
    color: white;
    padding: 12px 24px;
    border-radius: 0 0 6px 6px;
    z-index: 10000;
    text-decoration: none;
    font-weight: 600;
    transition: top 0.2s;
}

.skip-link:focus {
    top: 0;
    outline: 3px solid var(--accent);
    outline-offset: 2px;
}

/* Screen Reader Only */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* ============================================
   Base Styles
   ============================================ */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
}

/* ============================================
   Layout
   ============================================ */
.container {
    display: grid;
    grid-template-columns: minmax(500px, 1fr) minmax(600px, 1.2fr);
    gap: 24px;
    padding: 24px;
    max-width: 2200px;
    margin: 0 auto;
    min-height: calc(100vh - 70px - 50px);
    height: calc(100vh - 70px - 50px);
}

@media (max-width: 1400px) {
    .container {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 1200px) {
    .container {
        grid-template-columns: 1fr;
        height: auto;
    }
}

/* ============================================
   Header
   ============================================ */
header {
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border);
    padding: 16px 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

header h1 {
    font-size: 1.5rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 14px;
}

header h1 .logo {
    background: var(--accent);
    color: white;
    padding: 6px 10px;
    border-radius: 4px;
    font-weight: 700;
}

header h1 span.subtitle {
    color: var(--text-secondary);
    font-weight: 400;
    font-size: 0.9rem;
}

.header-actions {
    display: flex;
    gap: 10px;
    align-items: center;
}

/* ============================================
   Panels
   ============================================ */
.panel {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 8px;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    max-height: 100%;
}

.panel-header,
h2.panel-header {
    background: var(--bg-tertiary);
    padding: 14px 20px;
    border-bottom: 1px solid var(--border);
    font-weight: 600;
    font-size: 1.05rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-shrink: 0;
    margin: 0;
}

.panel-content {
    padding: 20px;
    overflow-y: auto;
    flex: 1;
    min-height: 0;
}

/* ============================================
   Forms
   ============================================ */
.form-group {
    margin-bottom: 18px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    font-size: 0.95rem;
}

.form-group .hint {
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin-top: 4px;
}

input[type="text"],
input[type="url"],
input[type="number"],
select,
textarea {
    width: 100%;
    padding: 11px 14px;
    border: 1px solid var(--border);
    border-radius: 5px;
    background: var(--bg-primary);
    color: var(--text-primary);
    font-size: 0.95rem;
    font-family: inherit;
}

input:focus,
select:focus,
textarea:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(0, 113, 206, 0.3);
}

/* Focus visible for keyboard navigation */
button:focus-visible,
a:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible,
[tabindex]:focus-visible {
    outline: 3px solid var(--accent);
    outline-offset: 2px;
}

/* Remove default outline and use focus-visible */
button:focus:not(:focus-visible),
a:focus:not(:focus-visible) {
    outline: none;
}

textarea {
    resize: vertical;
    min-height: 80px;
    font-family: 'Consolas', 'Monaco', monospace;
}

/* ============================================
   Input Groups
   ============================================ */
.input-group {
    display: flex;
    gap: 8px;
}

.input-group input {
    flex: 1;
}

.input-group button {
    white-space: nowrap;
}

/* ============================================
   Buttons
   ============================================ */
button {
    padding: 10px 18px;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-size: 0.95rem;
    font-weight: 500;
    transition: background 0.2s, transform 0.1s;
}

button:active {
    transform: scale(0.98);
}

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

.btn-primary:hover {
    background: var(--accent-hover);
}

.btn-secondary {
    background: var(--bg-tertiary);
    color: var(--text-primary);
    border: 1px solid var(--border);
}

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

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

.btn-success:hover {
    background: #059669;
}

.btn-warning {
    background: var(--warning);
    color: #111827;
}

.btn-warning:hover {
    background: #d97706;
}

.btn-small {
    padding: 6px 12px;
    font-size: 0.85rem;
}

.btn-icon {
    padding: 8px;
    background: transparent;
    color: var(--text-secondary);
}

.btn-icon:hover {
    color: var(--text-primary);
    background: var(--bg-tertiary);
}

/* ============================================
   Toggle / Radio Buttons
   ============================================ */
.toggle-group {
    display: flex;
    gap: 0;
    border: 1px solid var(--border);
    border-radius: 6px;
    overflow: hidden;
}

.toggle-group button {
    flex: 1;
    border-radius: 0;
    border: none;
    background: var(--bg-primary);
    color: var(--text-secondary);
    padding: 12px 18px;
    font-size: 0.95rem;
}

.toggle-group button.active {
    background: var(--accent);
    color: white;
}

.toggle-group button:not(.active):hover {
    background: var(--bg-tertiary);
}

/* ============================================
   Checkbox / Toggle Switch
   ============================================ */
.checkbox-group {
    display: flex;
    align-items: center;
    gap: 10px;
}

.toggle-switch {
    position: relative;
    width: 44px;
    height: 24px;
}

.toggle-switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.toggle-slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: var(--border);
    transition: 0.3s;
    border-radius: 24px;
}

.toggle-slider:before {
    position: absolute;
    content: "";
    height: 18px;
    width: 18px;
    left: 3px;
    bottom: 3px;
    background-color: white;
    transition: 0.3s;
    border-radius: 50%;
}

input:checked + .toggle-slider {
    background-color: var(--accent);
}

input:checked + .toggle-slider:before {
    transform: translateX(20px);
}

/* ============================================
   Sections (using fieldset/legend for accessibility)
   ============================================ */
.section {
    border: 1px solid var(--border);
    border-radius: 8px;
    margin-bottom: 20px;
    overflow: hidden;
    padding: 0;
}

fieldset.section {
    min-width: 0;
}

.section-header,
legend.section-header {
    background: var(--bg-tertiary);
    padding: 12px 16px;
    font-weight: 600;
    font-size: 0.95rem;
    border-bottom: 1px solid var(--border);
    width: 100%;
    float: left;
    margin-bottom: 0;
}

legend.section-header {
    border-radius: 8px 8px 0 0;
}

.section-content {
    padding: 16px;
    clear: both;
}

/* ============================================
   App List (Multi-app mode)
   ============================================ */
.app-list {
    border: 1px solid var(--border);
    border-radius: 6px;
    max-height: 280px;
    overflow-y: auto;
}

.app-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 14px;
    border-bottom: 1px solid var(--border);
    font-size: 0.875rem;
    font-family: 'Consolas', monospace;
}

.app-item:last-child {
    border-bottom: none;
}

.app-item:hover {
    background: var(--bg-tertiary);
}

.app-item .remove-btn {
    color: var(--error);
    cursor: pointer;
    padding: 4px 8px;
    background: transparent;
    border: none;
    border-radius: 4px;
    font-size: 0.9rem;
    line-height: 1;
    transition: background 0.2s;
}

.app-item .remove-btn:hover {
    background: rgba(222, 28, 36, 0.1);
}

.app-item .remove-btn:focus-visible {
    outline: 2px solid var(--error);
    outline-offset: 1px;
}

.empty-list {
    padding: 20px;
    text-align: center;
    color: var(--text-secondary);
    font-style: italic;
}

/* ============================================
   Presets Dropdown
   ============================================ */
.presets-bar {
    display: flex;
    gap: 12px;
    margin-bottom: 20px;
    padding-bottom: 18px;
    border-bottom: 1px solid var(--border);
    flex-wrap: wrap;
    align-items: center;
}

.presets-bar .preset-btn {
    background: var(--accent);
    color: white;
    border: none;
    padding: 8px 16px;
    border-radius: 5px;
    font-size: 0.875rem;
}

.presets-bar .preset-btn:hover {
    background: var(--accent-hover);
}

/* ============================================
   XML Preview
   ============================================ */
.panel-content.preview-content {
    display: flex;
    flex-direction: column;
}

.xml-preview {
    background: var(--code-bg);
    color: var(--code-text);
    padding: 20px;
    border-radius: 6px;
    overflow: auto;
    font-family: 'Consolas', 'Monaco', monospace;
    font-size: 0.9rem;
    line-height: 1.6;
    white-space: pre-wrap;
    word-break: break-all;
    flex: 1;
    min-height: 400px;
}

.xml-preview .declaration {
    color: #6b7280;
    font-style: italic;
}

.xml-preview .tag {
    color: #7dd3fc;
}

.xml-preview .attr {
    color: #c4b5fd;
}

.xml-preview .value {
    color: #86efac;
}

.xml-preview .comment {
    color: #6b7280;
    font-style: italic;
}

.xml-preview .cdata {
    color: #6b7280;
}

.xml-preview .cdata-content {
    color: #fcd34d;
}

/* ============================================
   Status Messages
   ============================================ */
.status {
    padding: 10px 14px;
    border-radius: 4px;
    margin-bottom: 16px;
    font-size: 0.9rem;
}

.status.success {
    background: rgba(16, 185, 129, 0.1);
    border: 1px solid var(--success);
    color: var(--success);
}

.status.error {
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid var(--error);
    color: var(--error);
}

.status.warning {
    background: rgba(245, 158, 11, 0.1);
    border: 1px solid var(--warning);
    color: #b45309;
}

[data-theme="dark"] .status.warning {
    color: var(--warning);
}

/* ============================================
   Validation Errors
   ============================================ */
.validation-error {
    color: var(--error);
    font-size: 0.8rem;
    margin-top: 4px;
}

input.invalid,
select.invalid {
    border-color: var(--error);
}

/* ============================================
   Export Buttons
   ============================================ */
.export-actions {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

/* ============================================
   Theme Toggle
   ============================================ */
.theme-toggle {
    font-size: 1.2rem;
    cursor: pointer;
    padding: 5px;
}

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

    .panel-content {
        padding: 12px;
    }

    header {
        flex-direction: column;
        gap: 10px;
    }
}

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

/* ============================================
   Footer
   ============================================ */
footer {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border);
    padding: 12px 20px;
    text-align: center;
    font-size: 0.85rem;
    color: var(--text-secondary);
}

footer p {
    margin: 0;
}

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

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

footer a:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 2px;
}

footer span {
    margin: 0 8px;
    opacity: 0.5;
}

/* ============================================
   Collapsible Sections
   ============================================ */
.collapsible-header {
    cursor: pointer;
    user-select: none;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.collapsible-header::after {
    content: "v";
    font-size: 0.7rem;
    transition: transform 0.2s;
}

.collapsible-header.collapsed::after {
    transform: rotate(-90deg);
}

.collapsible-content {
    transition: max-height 0.3s ease;
    overflow: hidden;
}

.collapsible-content.collapsed {
    max-height: 0 !important;
    padding: 0 !important;
}

/* ============================================
   Accent Colors
   ============================================ */
.accent-warning {
    color: var(--warning);
}

.accent-primary {
    color: var(--accent);
}

/* ============================================
   Tooltips
   ============================================ */
.tooltip-trigger {
    position: relative;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.tooltip-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 18px;
    height: 18px;
    min-width: 18px;
    background: var(--border);
    color: var(--text-secondary);
    border-radius: 50%;
    font-size: 11px;
    font-weight: 600;
    cursor: help;
    flex-shrink: 0;
    border: none;
    padding: 0;
    line-height: 1;
    transition: background 0.2s, color 0.2s;
}

.tooltip-icon:hover,
.tooltip-icon:focus {
    background: var(--accent);
    color: white;
}

.tooltip-icon:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 2px;
}

.tooltip-content {
    position: absolute;
    bottom: calc(100% + 8px);
    left: 50%;
    transform: translateX(-50%);
    background: var(--text-primary);
    color: var(--bg-secondary);
    padding: 12px 16px;
    border-radius: 6px;
    font-size: 0.85rem;
    font-weight: 400;
    line-height: 1.55;
    width: 320px;
    max-width: 90vw;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.2s, visibility 0.2s;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    text-align: left;
}

.tooltip-content::after {
    content: "";
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    border: 6px solid transparent;
    border-top-color: var(--text-primary);
}

.tooltip-trigger:hover .tooltip-content,
.tooltip-icon:focus + .tooltip-content,
.tooltip-icon:hover + .tooltip-content,
.with-tooltip:hover .tooltip-content,
.with-tooltip .tooltip-icon:focus + .tooltip-content {
    opacity: 1;
    visibility: visible;
}

/* Tooltip positioned to the right for tight spaces */
.tooltip-content.right {
    bottom: auto;
    left: calc(100% + 10px);
    top: 50%;
    transform: translateY(-50%);
}

.tooltip-content.right::after {
    top: 50%;
    left: -6px;
    transform: translateY(-50%);
    border: 6px solid transparent;
    border-right-color: var(--text-primary);
}

/* Dark mode tooltip adjustments */
[data-theme="dark"] .tooltip-content {
    background: var(--bg-tertiary);
    color: var(--text-primary);
    border: 1px solid var(--border);
}

[data-theme="dark"] .tooltip-content::after {
    border-top-color: var(--bg-tertiary);
}

[data-theme="dark"] .tooltip-content.right::after {
    border-top-color: transparent;
    border-right-color: var(--bg-tertiary);
}

/* Label with tooltip */
label.with-tooltip {
    position: relative;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

/* ============================================
   Large Screen Optimizations (1920x1080+)
   ============================================ */
@media (min-width: 1920px) {
    .container {
        gap: 30px;
        padding: 30px;
    }

    .panel-content {
        padding: 24px;
    }

    .section {
        margin-bottom: 24px;
    }

    .section-content {
        padding: 20px;
    }

    .form-group {
        margin-bottom: 22px;
    }

    .xml-preview {
        font-size: 0.95rem;
        padding: 24px;
    }

    .app-list {
        max-height: 350px;
    }

    .tooltip-content {
        width: 360px;
    }
}

/* Extra large screens (2560x1440+) */
@media (min-width: 2560px) {
    .container {
        max-width: 2800px;
        gap: 40px;
        padding: 40px;
    }

    header {
        padding: 20px 40px;
        height: 80px;
    }

    header h1 {
        font-size: 1.7rem;
    }

    .panel-header {
        padding: 18px 24px;
        font-size: 1.15rem;
    }

    .panel-content {
        padding: 30px;
    }

    .form-group label {
        font-size: 1rem;
    }

    input[type="text"],
    input[type="url"],
    input[type="number"],
    select {
        padding: 14px 18px;
        font-size: 1rem;
    }

    button {
        padding: 12px 22px;
        font-size: 1rem;
    }

    .xml-preview {
        font-size: 1rem;
        line-height: 1.7;
    }

    .app-list {
        max-height: 450px;
    }
}