/* IdentiBridge Web UI Styles */

:root {
    --bg-dark: #0f0f1a;
    --bg-card: #1a1a2e;
    --bg-input: #16213e;
    --text-primary: #eee;
    --text-secondary: #aaa;
    --accent-primary: #4361ee;
    --accent-success: #2ecc71;
    --accent-danger: #e74c3c;
    --accent-warning: #f39c12;
    --border-color: #2a2a4e;
    --shadow: 0 4px 6px rgba(0, 0, 0, 0.3);
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    background: var(--bg-dark);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

/* Header */
header {
    text-align: center;
    margin-bottom: 30px;
    padding: 20px 0;
    border-bottom: 1px solid var(--border-color);
}

header h1 {
    font-size: 2.5rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-success));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

header .subtitle {
    color: var(--text-secondary);
    margin-top: 5px;
}

/* Cards */
.card {
    background: var(--bg-card);
    border-radius: 12px;
    padding: 24px;
    margin-bottom: 20px;
    box-shadow: var(--shadow);
    border: 1px solid var(--border-color);
}

.card h2 {
    font-size: 1.25rem;
    margin-bottom: 16px;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 8px;
}

/* Form Elements */
.form-group {
    margin-bottom: 16px;
}

.form-group label {
    display: block;
    margin-bottom: 6px;
    font-weight: 500;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 16px;
}

.input-row {
    display: flex;
    gap: 10px;
}

.input-row input {
    flex: 1;
}

input[type="text"],
input[type="password"],
input[type="number"],
select {
    width: 100%;
    padding: 12px 14px;
    background: var(--bg-input);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-primary);
    font-size: 1rem;
    transition: border-color 0.2s, box-shadow 0.2s;
}

input:focus,
select:focus {
    outline: none;
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px rgba(67, 97, 238, 0.2);
}

input:disabled,
select:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* Checkboxes */
.checkbox-row {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    margin-top: 8px;
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    user-select: none;
}

.checkbox-label input[type="checkbox"] {
    width: 18px;
    height: 18px;
    accent-color: var(--accent-primary);
    cursor: pointer;
}

.checkbox-label span {
    color: var(--text-secondary);
}

/* Buttons */
.btn {
    padding: 12px 24px;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: transform 0.1s, box-shadow 0.2s, opacity 0.2s;
}

.btn:hover:not(:disabled) {
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

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

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

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

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

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

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

.btn-large {
    padding: 16px 32px;
    font-size: 1.1rem;
}

.button-row {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

/* Info Box */
.info-box {
    background: var(--bg-input);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 12px 16px;
    margin-top: 16px;
    font-size: 0.9rem;
    line-height: 1.8;
}

.info-box.hidden {
    display: none;
}

/* Status */
.status {
    margin-top: 12px;
    padding: 8px 12px;
    border-radius: 6px;
    font-size: 0.9rem;
}

.status:empty {
    display: none;
}

.status.success {
    background: rgba(46, 204, 113, 0.15);
    color: var(--accent-success);
    border: 1px solid rgba(46, 204, 113, 0.3);
}

.status.error {
    background: rgba(231, 76, 60, 0.15);
    color: var(--accent-danger);
    border: 1px solid rgba(231, 76, 60, 0.3);
}

.status.info {
    background: rgba(67, 97, 238, 0.15);
    color: var(--accent-primary);
    border: 1px solid rgba(67, 97, 238, 0.3);
}

/* Status Display */
.status-display {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 16px;
}

.status-item {
    background: var(--bg-input);
    padding: 12px 16px;
    border-radius: 8px;
    border: 1px solid var(--border-color);
}

.status-label {
    display: block;
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin-bottom: 4px;
}

.status-value {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
}

/* Canvas Container */
.canvas-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 24px;
}

.canvas-wrapper {
    text-align: center;
}

.canvas-wrapper h3 {
    font-size: 1rem;
    color: var(--text-secondary);
    margin-bottom: 12px;
}

canvas {
    background: var(--bg-input);
    border: 2px solid var(--border-color);
    border-radius: 8px;
    max-width: 100%;
    height: auto;
}

/* Preview Status Overlay */
.preview-container {
    position: relative;
    display: inline-block;
}

.preview-status {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(15, 15, 26, 0.85);
    border-radius: 8px;
    z-index: 10;
}

.preview-status span {
    font-size: 1rem;
    color: var(--text-secondary);
    text-align: center;
    padding: 20px;
}

.preview-status.waiting span {
    color: var(--accent-warning);
}

.preview-status.error span {
    color: var(--accent-danger);
}

.preview-status.connecting span::after {
    content: '';
    animation: dots 1.5s infinite;
}

@keyframes dots {
    0%, 20% { content: ''; }
    40% { content: '.'; }
    60% { content: '..'; }
    80%, 100% { content: '...'; }
}

/* Connection Indicator */
.connection-indicator {
    position: fixed;
    bottom: 20px;
    right: 20px;
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 16px;
    background: var(--bg-card);
    border-radius: 20px;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow);
    font-size: 0.85rem;
}

.connection-indicator .dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    animation: pulse 2s infinite;
}

.connection-indicator.connected .dot {
    background: var(--accent-success);
}

.connection-indicator.disconnected .dot {
    background: var(--accent-danger);
}

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

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

/* Responsive adjustments */
@media (max-width: 768px) {
    .container {
        padding: 12px;
    }

    header h1 {
        font-size: 1.8rem;
    }

    .card {
        padding: 16px;
    }

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

    .button-row {
        flex-direction: column;
    }

    .btn {
        width: 100%;
    }

    .canvas-container {
        grid-template-columns: 1fr;
    }

    .checkbox-row {
        flex-direction: column;
        gap: 12px;
    }
}