/* ================================================================
   PIBICO - API WEB INTERFACE STYLING
   Blue steelblue theme with red brick accents
   ================================================================ */

/* ========== Design System ========== */
:root {
    /* Primary Colors - Steelblue */
    --primary: #4682b4;
    --primary-hover: #3a6d96;
    --primary-light: #e8f1f8;
    --primary-dark: #2c5171;

    /* Accent Colors - Red Brick */
    --accent: #b74134;
    --accent-hover: #9a362b;
    --accent-light: #f8e8e6;

    /* Text Colors */
    --text-dark: #2c3e50;
    --text-medium: #5a6a7a;
    --text-light: #94a3b8;
    --text-inverse: #ffffff;

    /* Background Colors - Light Clear Greys */
    --bg-base: #f5f7fa;
    --bg-light: #fafbfc;
    --bg-white: #ffffff;
    --topbar-bg: #4682b4;

    /* Button Colors */
    --btn-default: #64748b;
    --btn-default-hover: #475569;

    /* Semantic Colors */
    --success: #22c55e;
    --success-light: #dcfce7;
    --info: #4682b4;
    --info-light: #e8f1f8;
    --error: #b74134;
    --error-light: #f8e8e6;
    --warning: #f59e0b;
    --warning-light: #fef3c7;

    /* Borders */
    --border-color: #e2e8f0;
    --border-light: #f1f5f9;

    /* Shadows */
    --shadow-sm: 0 1px 3px rgba(70, 130, 180, 0.08);
    --shadow-md: 0 4px 6px rgba(70, 130, 180, 0.1);
    --shadow-lg: 0 10px 25px rgba(70, 130, 180, 0.15);

    /* Typography - Inter */
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-mono: 'SF Mono', 'Monaco', 'Consolas', 'Liberation Mono', monospace;

    /* Spacing */
    --space-1: 4px;
    --space-2: 8px;
    --space-3: 12px;
    --space-4: 16px;
    --space-5: 24px;
    --space-6: 32px;
    --space-7: 48px;
    --space-8: 64px;

    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-full: 9999px;

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 350ms ease;
}

/* ========== Base Reset ========== */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
}

html, body {
    width: 100%;
    height: 100%;
    overflow: hidden;
}

body {
    font-family: var(--font-sans);
    font-size: 14px;
    line-height: 1.5;
    color: var(--text-dark);
    background: var(--bg-base);
}

/* ========== Navigation Bar ========== */
.navbar {
    background: var(--bg-white);
    border-bottom: 1px solid var(--border-color);
    padding: var(--space-3) var(--space-5);
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 60px;
    box-shadow: var(--shadow-sm);
}

.navbar-brand {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    text-decoration: none;
    color: var(--text-dark);
}

.navbar-brand img {
    height: 36px;
    width: auto;
}

.navbar-title {
    font-size: 18px;
    font-weight: 600;
    color: var(--primary);
}

.navbar-nav {
    display: flex;
    align-items: center;
    gap: var(--space-4);
    list-style: none;
}

.nav-link {
    color: var(--text-medium);
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    padding: var(--space-2) var(--space-3);
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
}

.nav-link:hover {
    color: var(--primary);
    background: var(--primary-light);
}

.nav-link.active {
    color: var(--primary);
    background: var(--primary-light);
}

/* ========== App Container ========== */
.app-container {
    display: flex;
    flex-direction: column;
    height: 100vh;
    overflow: hidden;
}

.main-content {
    flex: 1;
    overflow: auto;
    padding: var(--space-5);
}

/* ========== Cards ========== */
.card {
    background: var(--bg-white);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
}

.card-header {
    background: var(--bg-light);
    border-bottom: 1px solid var(--border-color);
    padding: var(--space-4);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.card-title {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-dark);
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.card-title i {
    color: var(--primary);
}

.card-body {
    padding: var(--space-4);
}

.card-footer {
    background: var(--bg-light);
    border-top: 1px solid var(--border-color);
    padding: var(--space-3) var(--space-4);
}

/* ========== Buttons ========== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-4);
    font-family: var(--font-sans);
    font-size: 14px;
    font-weight: 500;
    line-height: 1.5;
    text-decoration: none;
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all var(--transition-fast);
    white-space: nowrap;
}

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

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

.btn-primary:hover:not(:disabled) {
    background: var(--primary-hover);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

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

.btn-secondary:hover:not(:disabled) {
    background: var(--btn-default-hover);
}

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

.btn-success:hover:not(:disabled) {
    background: #097a38;
}

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

.btn-danger:hover:not(:disabled) {
    background: #d14550;
}

.btn-warning {
    background: var(--warning);
    color: var(--text-dark);
}

.btn-warning:hover:not(:disabled) {
    background: #e69200;
}

.btn-outline {
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-medium);
}

.btn-outline:hover:not(:disabled) {
    background: var(--bg-light);
    border-color: var(--primary);
    color: var(--primary);
}

.btn-sm {
    padding: var(--space-1) var(--space-3);
    font-size: 13px;
}

.btn-lg {
    padding: var(--space-3) var(--space-5);
    font-size: 16px;
}

.btn-icon {
    width: 36px;
    height: 36px;
    padding: 0;
    border-radius: var(--radius-sm);
}

.btn-icon.btn-sm {
    width: 28px;
    height: 28px;
}

.btn-icon.btn-lg {
    width: 48px;
    height: 48px;
}

/* ========== Forms ========== */
.form-group {
    margin-bottom: var(--space-4);
}

.form-label {
    display: block;
    font-size: 14px;
    font-weight: 500;
    color: var(--text-dark);
    margin-bottom: var(--space-2);
}

.form-control {
    width: 100%;
    padding: var(--space-2) var(--space-3);
    font-family: var(--font-sans);
    font-size: 14px;
    line-height: 1.5;
    color: var(--text-dark);
    background: var(--bg-white);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
}

.form-control:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-light);
}

.form-control::placeholder {
    color: var(--text-light);
}

.form-select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23575760' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    padding-right: 36px;
}

.form-check {
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.form-check-input {
    width: 18px;
    height: 18px;
    accent-color: var(--primary);
    cursor: pointer;
}

.form-check-label {
    font-size: 14px;
    color: var(--text-medium);
    cursor: pointer;
}

.form-text {
    font-size: 12px;
    color: var(--text-light);
    margin-top: var(--space-1);
}

/* ========== Upload Area ========== */
.upload-area {
    border: 2px dashed var(--border-color);
    border-radius: var(--radius-md);
    padding: var(--space-6);
    text-align: center;
    background: var(--bg-light);
    cursor: pointer;
    transition: all var(--transition-base);
}

.upload-area:hover,
.upload-area.dragover {
    border-color: var(--primary);
    background: var(--primary-light);
}

.upload-area.has-file {
    border-color: var(--success);
    background: var(--success-light);
}

.upload-area input[type="file"] {
    display: none;
}

.upload-icon {
    font-size: 48px;
    color: var(--text-light);
    margin-bottom: var(--space-3);
}

.upload-text {
    font-size: 16px;
    color: var(--text-medium);
    margin-bottom: var(--space-2);
}

.upload-hint {
    font-size: 12px;
    color: var(--text-light);
}

/* ========== Panels / Split View ========== */
.split-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-4);
    height: 100%;
    min-height: 400px;
}

.panel {
    background: var(--bg-white);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.panel-header {
    background: var(--bg-light);
    border-bottom: 1px solid var(--border-color);
    padding: var(--space-3) var(--space-4);
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-shrink: 0;
}

.panel-title {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-dark);
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.panel-actions {
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.panel-body {
    flex: 1;
    overflow: auto;
    padding: var(--space-4);
}

/* ========== Status Bar ========== */
.status-bar {
    background: var(--bg-light);
    border-top: 1px solid var(--border-color);
    padding: var(--space-2) var(--space-4);
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 12px;
    color: var(--text-medium);
}

.status-indicator {
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--text-light);
}

.status-dot.success { background: var(--success); }
.status-dot.error { background: var(--error); }
.status-dot.warning { background: var(--warning); }
.status-dot.info { background: var(--info); }
.status-dot.active {
    background: var(--success);
    animation: pulse 1.5s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

/* ========== Spinner ========== */
.spinner {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 2px solid var(--border-color);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

.spinner.spinner-sm {
    width: 14px;
    height: 14px;
    border-width: 2px;
}

.spinner.spinner-lg {
    width: 32px;
    height: 32px;
    border-width: 3px;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* ========== Placeholder ========== */
.placeholder {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100%;
    padding: var(--space-6);
    text-align: center;
    color: var(--text-light);
}

.placeholder-icon {
    font-size: 48px;
    margin-bottom: var(--space-3);
    opacity: 0.5;
}

.placeholder-text {
    font-size: 14px;
}

/* ========== Markdown Preview - Compact ========== */
.markdown-content {
    font-size: 13px;
    line-height: 1.15;
    color: var(--text-dark);
}

.markdown-content h1,
.markdown-content h2,
.markdown-content h3 {
    color: var(--primary);
    margin: 4px 0 2px 0;
}

.markdown-content h1 { font-size: 1.4em; }
.markdown-content h2 { font-size: 1.2em; }
.markdown-content h3 { font-size: 1.1em; }

.markdown-content p {
    margin: 2px 0;
}

.markdown-content table {
    width: 100%;
    border-collapse: collapse;
    margin: 3px 0;
    font-size: 12px;
}

.markdown-content th,
.markdown-content td {
    border: 1px solid var(--border-color);
    padding: 2px 6px;
    text-align: left;
}

.markdown-content th {
    background: var(--bg-light);
    font-weight: 600;
    color: var(--primary);
}

.markdown-content tr:nth-child(even) {
    background: var(--bg-light);
}

.markdown-content code {
    background: var(--bg-light);
    padding: 1px 4px;
    border-radius: var(--radius-sm);
    font-family: var(--font-mono);
    font-size: 0.9em;
}

.markdown-content pre {
    background: var(--bg-light);
    padding: 4px 8px;
    border-radius: var(--radius-sm);
    overflow-x: auto;
    margin: 3px 0;
}

.markdown-content pre code {
    background: none;
    padding: 0;
}

.markdown-content ul,
.markdown-content ol {
    margin: 2px 0;
    padding-left: 1.2em;
}

.markdown-content li {
    margin: 1px 0;
}

.markdown-content img {
    max-width: 100%;
    border-radius: var(--radius-sm);
}

.markdown-raw {
    font-family: var(--font-mono);
    font-size: 12px;
    line-height: 1.15;
    white-space: pre-wrap;
    word-wrap: break-word;
    color: var(--text-dark);
}

/* ========== Chat Interface - Compact ========== */
.chat-container {
    display: flex;
    flex-direction: column;
    height: 100%;
}

.chat-messages {
    flex: 1;
    overflow-y: auto;
    padding: var(--space-2);
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.message {
    max-width: 90%;
    padding: 3px 8px;
    border-radius: var(--radius-md);
    animation: messageIn 0.2s ease;
}

@keyframes messageIn {
    from {
        opacity: 0;
        transform: translateY(5px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.message.user {
    align-self: flex-end;
    background: var(--primary);
    color: var(--text-inverse);
    border-bottom-right-radius: var(--radius-sm);
}

.message.assistant {
    align-self: flex-start;
    background: var(--bg-light);
    color: var(--text-dark);
    border: 1px solid var(--border-color);
    border-bottom-left-radius: var(--radius-sm);
}

.message.processing {
    background: var(--warning-light);
    color: var(--text-dark);
    font-style: italic;
}

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

.message-header {
    font-size: 10px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 1px;
    opacity: 0.7;
}

.message-content {
    font-size: 13px;
    line-height: 1.15;
}

.message-meta {
    margin-top: 2px;
    display: flex;
    gap: 4px;
    flex-wrap: wrap;
}

.meta-badge {
    display: inline-flex;
    align-items: center;
    gap: 2px;
    padding: 1px 4px;
    background: rgba(0, 0, 0, 0.1);
    border-radius: var(--radius-full);
    font-size: 10px;
    font-weight: 500;
}

.message.user .meta-badge {
    background: rgba(255, 255, 255, 0.2);
}

/* Chat Controls */
.chat-controls {
    background: var(--bg-white);
    border-top: 1px solid var(--border-color);
    padding: var(--space-4);
}

.recording-status {
    display: none;
    align-items: center;
    justify-content: center;
    gap: var(--space-3);
    padding: var(--space-3);
    background: var(--success-light);
    border: 1px solid var(--success);
    border-radius: var(--radius-md);
    margin-bottom: var(--space-3);
    color: var(--success);
    font-weight: 500;
}

.recording-status.active {
    display: flex;
}

.recording-dot {
    width: 12px;
    height: 12px;
    background: var(--error);
    border-radius: 50%;
    animation: recordPulse 1s ease-in-out infinite;
}

@keyframes recordPulse {
    0%, 100% {
        transform: scale(1);
        opacity: 1;
    }
    50% {
        transform: scale(1.2);
        opacity: 0.7;
    }
}

.recording-time {
    font-family: var(--font-mono);
    font-weight: 600;
}

.controls-buttons {
    display: flex;
    justify-content: center;
    gap: var(--space-3);
}

.control-btn {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    transition: all var(--transition-base);
}

.control-btn:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.control-btn:active:not(:disabled) {
    transform: translateY(0);
}

.control-btn:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

.record-btn {
    width: 72px;
    height: 72px;
    font-size: 28px;
    background: var(--primary);
    color: var(--text-inverse);
    box-shadow: 0 4px 15px rgba(70, 130, 180, 0.3);
}

.record-btn:hover:not(:disabled) {
    background: var(--primary-hover);
}

.record-btn.recording {
    background: var(--accent);
    animation: recordBtnPulse 1.5s ease-in-out infinite;
}

@keyframes recordBtnPulse {
    0%, 100% {
        box-shadow: 0 4px 15px rgba(183, 65, 52, 0.4);
    }
    50% {
        box-shadow: 0 4px 25px rgba(183, 65, 52, 0.6);
    }
}

/* ========== Modal ========== */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    padding: var(--space-4);
}

.modal-overlay.active {
    display: flex;
}

.modal-content {
    background: var(--bg-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    width: 100%;
    max-width: 500px;
    max-height: 90vh;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    animation: modalIn 0.3s ease;
}

@keyframes modalIn {
    from {
        opacity: 0;
        transform: scale(0.95) translateY(-20px);
    }
    to {
        opacity: 1;
        transform: scale(1) translateY(0);
    }
}

.modal-header {
    padding: var(--space-4);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.modal-title {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-dark);
}

.modal-close {
    width: 32px;
    height: 32px;
    border: none;
    background: transparent;
    color: var(--text-light);
    font-size: 24px;
    cursor: pointer;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
}

.modal-close:hover {
    background: var(--bg-light);
    color: var(--text-dark);
}

.modal-body {
    flex: 1;
    overflow-y: auto;
    padding: var(--space-4);
}

.modal-footer {
    padding: var(--space-3) var(--space-4);
    border-top: 1px solid var(--border-color);
    display: flex;
    justify-content: flex-end;
    gap: var(--space-2);
}

/* ========== Toast / Notifications ========== */
.toast-container {
    position: fixed;
    bottom: var(--space-4);
    right: var(--space-4);
    z-index: 1100;
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.toast {
    background: var(--bg-white);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    padding: var(--space-3) var(--space-4);
    display: flex;
    align-items: center;
    gap: var(--space-3);
    min-width: 280px;
    max-width: 400px;
    animation: toastIn 0.3s ease;
}

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

.toast.success { border-left: 4px solid var(--success); }
.toast.error { border-left: 4px solid var(--error); }
.toast.warning { border-left: 4px solid var(--warning); }
.toast.info { border-left: 4px solid var(--info); }

.toast-icon {
    font-size: 20px;
}

.toast.success .toast-icon { color: var(--success); }
.toast.error .toast-icon { color: var(--error); }
.toast.warning .toast-icon { color: var(--warning); }
.toast.info .toast-icon { color: var(--info); }

.toast-message {
    flex: 1;
    font-size: 14px;
    color: var(--text-dark);
}

.toast-close {
    background: none;
    border: none;
    color: var(--text-light);
    cursor: pointer;
    padding: var(--space-1);
    font-size: 16px;
}

.toast-close:hover {
    color: var(--text-dark);
}

/* ========== Zoom Controls ========== */
.zoom-controls {
    display: flex;
    align-items: center;
    gap: var(--space-1);
}

.zoom-btn {
    width: 28px;
    height: 28px;
    border: 1px solid var(--border-color);
    background: var(--bg-white);
    border-radius: var(--radius-sm);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    color: var(--text-medium);
    transition: all var(--transition-fast);
}

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

.zoom-level {
    font-size: 12px;
    color: var(--text-light);
    min-width: 40px;
    text-align: center;
    font-family: var(--font-mono);
}

/* ========== Sidebar ========== */
.sidebar {
    background: var(--bg-white);
    border-right: 1px solid var(--border-color);
    width: 280px;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    flex-shrink: 0;
}

.sidebar-header {
    padding: var(--space-4);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.sidebar-title {
    font-size: 18px;
    font-weight: 600;
    color: var(--primary);
}

.sidebar-body {
    flex: 1;
    overflow-y: auto;
    padding: var(--space-3);
}

.sidebar-footer {
    padding: var(--space-3);
    border-top: 1px solid var(--border-color);
}

/* Conversation list */
.conversation-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.conversation-item {
    padding: var(--space-3);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
    border: 1px solid transparent;
}

.conversation-item:hover {
    background: var(--bg-light);
}

.conversation-item.active {
    background: var(--primary-light);
    border-color: var(--primary);
}

.conversation-title {
    font-size: 14px;
    font-weight: 500;
    color: var(--text-dark);
    margin-bottom: var(--space-1);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.conversation-meta {
    font-size: 12px;
    color: var(--text-light);
}

/* ========== Responsive Design ========== */
@media (max-width: 1024px) {
    .split-container {
        grid-template-columns: 1fr;
        grid-template-rows: 1fr 1fr;
    }

    .sidebar {
        position: fixed;
        left: -280px;
        top: 0;
        bottom: 0;
        z-index: 100;
        transition: left var(--transition-base);
    }

    .sidebar.open {
        left: 0;
    }

    .sidebar-overlay {
        position: fixed;
        inset: 0;
        background: rgba(0, 0, 0, 0.5);
        z-index: 99;
        display: none;
    }

    .sidebar-overlay.active {
        display: block;
    }
}

@media (max-width: 768px) {
    .main-content {
        padding: var(--space-3);
    }

    .navbar {
        padding: var(--space-2) var(--space-3);
    }

    .navbar-title {
        font-size: 16px;
    }

    .message {
        max-width: 90%;
    }

    .control-btn {
        width: 48px;
        height: 48px;
        font-size: 20px;
    }

    .record-btn {
        width: 64px;
        height: 64px;
        font-size: 24px;
    }

    .modal-content {
        max-width: none;
        margin: var(--space-2);
    }
}

@media (max-width: 480px) {
    .controls-buttons {
        gap: var(--space-2);
    }

    .control-btn {
        width: 44px;
        height: 44px;
        font-size: 18px;
    }

    .record-btn {
        width: 56px;
        height: 56px;
        font-size: 22px;
    }
}

/* ========== Accessibility ========== */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

:focus-visible {
    outline: 2px solid var(--primary);
    outline-offset: 2px;
}

/* ========== Footer ========== */
.app-footer {
    background: var(--bg-light);
    border-top: 1px solid var(--border-color);
    padding: var(--space-2) var(--space-4);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    font-size: 12px;
    color: var(--text-light);
    flex-shrink: 0;
}

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

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

.footer-separator {
    color: var(--border-color);
}

/* ========== Active Button State ========== */
.btn.active {
    background: var(--primary);
    border-color: var(--primary);
    color: var(--text-inverse);
}

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

/* ========== Print ========== */
@media print {
    .navbar,
    .sidebar,
    .chat-controls,
    .status-bar,
    .app-footer,
    .modal-overlay,
    .toast-container {
        display: none !important;
    }

    .main-content {
        padding: 0;
    }

    .card {
        border: none;
        box-shadow: none;
    }
}