/* ========================================
   Theme Variables
   ======================================== */

:root {
    /* Common colors */
    --primary-color: #0d6efd;
    --success-color: #198754;
    --warning-color: #ffc107;
    --danger-color: #dc3545;
    
    /* Light theme (default) */
    --bg-color: #f8f9fa;
    --text-color: #212529;
    --text-muted: #6c757d;
    --card-bg: #ffffff;
    --card-border: #dee2e6;
    --input-bg: #ffffff;
    --input-border: #ced4da;
    --log-bg: #ffffff;
    --log-border: #e9ecef;
    --log-entry-hover: #f8f9fa;
    --log-data-color: #0d6efd;
    --log-data-hover: #e7f1ff;
    --log-data-selected: #cfe2ff;
    --action-bar-bg: #e9ecef;
    --action-bar-text: #212529;
    --highlight-color: #cfe2ff;
}

[data-theme="dark"] {
    --bg-color: #1a1a2e;
    --text-color: #e9ecef;
    --text-muted: #adb5bd;
    --card-bg: #16213e;
    --card-border: #0f3460;
    --input-bg: #0f3460;
    --input-border: #1a4a7a;
    --log-bg: #0f0f1a;
    --log-border: #2a2a4a;
    --log-entry-hover: #1a1a3a;
    --log-data-color: #4ec9b0;
    --log-data-hover: #1a3a4a;
    --log-data-selected: #264f78;
    --action-bar-bg: #16213e;
    --action-bar-text: #e9ecef;
    --highlight-color: #264f78;
}

@media (prefers-color-scheme: dark) {
    [data-theme="system"] {
        --bg-color: #1a1a2e;
        --text-color: #e9ecef;
        --text-muted: #adb5bd;
        --card-bg: #16213e;
        --card-border: #0f3460;
        --input-bg: #0f3460;
        --input-border: #1a4a7a;
        --log-bg: #0f0f1a;
        --log-border: #2a2a4a;
        --log-entry-hover: #1a1a3a;
        --log-data-color: #4ec9b0;
        --log-data-hover: #1a3a4a;
        --log-data-selected: #264f78;
        --action-bar-bg: #16213e;
        --action-bar-text: #e9ecef;
        --highlight-color: #264f78;
    }
}

/* ========================================
   Base Styles
   ======================================== */

body {
    background-color: var(--bg-color);
    color: var(--text-color);
    min-height: 100vh;
    transition: background-color 0.3s ease, color 0.3s ease;
}

/* ========================================
   Navbar
   ======================================== */

.navbar {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.navbar-brand {
    font-weight: 600;
}

/* ========================================
   Cards
   ======================================== */

.card {
    background-color: var(--card-bg);
    border-color: var(--card-border);
    transition: background-color 0.3s ease, border-color 0.3s ease;
}

.card-header {
    background-color: var(--card-bg);
    border-bottom-color: var(--card-border);
}

.card-body {
    background-color: var(--card-bg);
}

.config-card {
    border-left: 4px solid var(--primary-color);
}

/* ========================================
   Config QR Card
   ======================================== */

.config-qr-card {
    border-left: 4px solid var(--success-color);
}

.config-qr-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.config-qr-display {
    background-color: white;
    padding: 1rem;
    border-radius: 0.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    max-width: 280px;
    width: 100%;
}

.config-qr-display svg {
    width: 100%;
    height: auto;
    max-width: 250px;
}

.config-qr-actions {
    display: flex;
    gap: 0.5rem;
    justify-content: center;
    flex-wrap: wrap;
}

/* ========================================
   Form Controls
   ======================================== */

.form-control {
    background-color: var(--input-bg);
    border-color: var(--input-border);
    color: var(--text-color);
}

.form-control:focus {
    background-color: var(--input-bg);
    color: var(--text-color);
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.25rem rgba(13, 110, 253, 0.25);
}

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

.input-group-text {
    background-color: var(--card-bg);
    border-color: var(--input-border);
    color: var(--text-color);
    min-width: 100px;
}

.form-text {
    color: var(--text-muted);
}

/* ========================================
   Log Container
   ======================================== */

.log-container {
    background-color: var(--log-bg);
    border-radius: 0 0 0.5rem 0.5rem;
    min-height: 400px;
    max-height: 70vh;
    overflow-y: auto;
    font-family: 'Consolas', 'Monaco', 'Courier New', monospace;
    font-size: 1rem;
    transition: background-color 0.3s ease;
}

.log-entry {
    padding: 0.75rem 1rem;
    border-bottom: 1px solid var(--log-border);
    transition: background-color 0.2s;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.5rem;
}

.log-entry:hover {
    background-color: var(--log-entry-hover);
}

.log-entry:last-child {
    border-bottom: none;
}

.log-data {
    color: var(--log-data-color);
    word-break: break-all;
    cursor: pointer;
    padding: 0.5rem 0.75rem;
    border-radius: 0.25rem;
    transition: background-color 0.2s;
    flex-grow: 1;
    font-size: 1.1rem;
}

.log-data:hover {
    background-color: var(--log-data-hover);
}

.log-data.selected {
    background-color: var(--log-data-selected);
}

.log-empty {
    color: var(--text-muted);
    text-align: center;
    padding: 3rem;
}

/* ========================================
   Action Bar
   ======================================== */

.action-bar {
    background-color: var(--action-bar-bg);
    color: var(--action-bar-text);
    padding: 0.5rem 1rem;
    border-radius: 0.5rem 0.5rem 0 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: background-color 0.3s ease;
}

.action-bar .badge {
    font-size: 0.75rem;
}

/* ========================================
   Status Indicator
   ======================================== */

.status-indicator {
    display: inline-block;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    margin-right: 0.5rem;
}

.status-connected {
    background-color: var(--success-color);
    box-shadow: 0 0 8px var(--success-color);
}

.status-disconnected {
    background-color: var(--danger-color);
}

.status-connecting {
    background-color: var(--warning-color);
    animation: pulse 1s infinite;
}

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

/* ========================================
   Buttons
   ======================================== */

.btn-copy {
    opacity: 0;
    transition: opacity 0.2s;
    flex-shrink: 0;
}

.log-entry:hover .btn-copy {
    opacity: 1;
}

/* Theme switcher buttons */
.theme-btn {
    padding: 0.25rem 0.5rem;
    border: 1px solid var(--input-border);
    background-color: var(--card-bg);
    color: var(--text-color);
    border-radius: 0.25rem;
    cursor: pointer;
    transition: all 0.2s;
}

.theme-btn:hover {
    background-color: var(--log-entry-hover);
}

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

.theme-switcher {
    display: flex;
    gap: 0.25rem;
}

/* ========================================
   Language Switcher
   ======================================== */

.lang-switcher {
    display: flex;
    gap: 0.25rem;
}

.lang-btn {
    padding: 0.25rem 0.5rem;
    border: 1px solid rgba(255, 255, 255, 0.3);
    background-color: transparent;
    color: rgba(255, 255, 255, 0.7);
    border-radius: 0.25rem;
    cursor: pointer;
    transition: all 0.2s;
    font-size: 0.75rem;
    font-weight: 600;
}

.lang-btn:hover {
    background-color: rgba(255, 255, 255, 0.1);
    color: white;
    border-color: rgba(255, 255, 255, 0.5);
}

.lang-btn.active {
    background-color: rgba(255, 255, 255, 0.2);
    border-color: rgba(255, 255, 255, 0.5);
    color: white;
}

/* Help content */
.help-content ol {
    padding-left: 1.25rem;
}

.help-content li {
    margin-bottom: 0.5rem;
    line-height: 1.5;
}

/* ========================================
   Toast
   ======================================== */

.toast-container {
    position: fixed;
    bottom: 1rem;
    right: 1rem;
    z-index: 1100;
}

/* ========================================
   Animations
   ======================================== */

.new-entry {
    animation: highlight 1s ease-out;
}

@keyframes highlight {
    0% { background-color: var(--highlight-color); }
    100% { background-color: transparent; }
}

/* ========================================
   Responsive
   ======================================== */

@media (max-width: 767.98px) {
    .log-container {
        min-height: 300px;
        max-height: 60vh;
    }

    .config-card .row > div {
        margin-bottom: 0.5rem;
    }

    .input-group-text {
        min-width: 80px;
        font-size: 0.875rem;
    }

    .log-data {
        font-size: 1rem;
    }

    .navbar .d-flex {
        font-size: 0.875rem;
    }

    .theme-switcher {
        margin-right: 1rem;
    }

    .config-qr-display {
        max-width: 220px;
        padding: 0.75rem;
    }

    .config-qr-display svg {
        max-width: 200px;
    }
}