/* Button Styles */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    border: none;
    border-radius: 6px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    text-decoration: none;
    font-family: inherit;
    line-height: 1;
}

.btn:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

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

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

.btn svg {
    flex-shrink: 0;
}

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

.btn-primary:hover:not(:disabled) {
    background: #3a7bc8;
}

.btn-secondary {
    background: #95a5a6;
    color: white;
}

.btn-secondary:hover:not(:disabled) {
    background: #7f8c8d;
}

.btn-secondary.active {
    background: var(--warning-color);
}

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

.btn-success:hover:not(:disabled) {
    background: #4cae4c;
}

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

.btn-danger:hover:not(:disabled) {
    background: #c9302c;
}

/* Small button variant */
.btn-sm {
    padding: 7px 14px !important;
    font-size: 0.85rem !important;
}

/* Button Group */
.control-group {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

/* Model selection row */
.model-group {
    flex-direction: column;
    gap: 8px;
    background: #f0f4ff;
    border: 1px solid #c8d8ff;
    border-radius: 6px;
    padding: 12px 16px;
}

.model-group label {
    font-weight: 700;
    color: var(--primary-color);
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 0;
}

.model-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 10px;
}

.model-status-wrap {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--text-dark);
    font-size: 0.95rem;
}

.model-status-wrap svg {
    color: var(--success-color);
    flex-shrink: 0;
}

.model-status-wrap.loading svg {
    color: var(--warning-color);
    animation: spin 1s linear infinite;
}

.model-status-wrap.error svg {
    color: var(--danger-color);
}

.model-upload-wrap {
    display: flex;
    gap: 8px;
}

.model-hint {
    font-size: 0.82rem;
    color: var(--text-light);
    margin: 0;
}

.model-hint code {
    background: #e8edf8;
    padding: 2px 6px;
    border-radius: 3px;
    font-family: monospace;
    font-size: 0.8rem;
    color: var(--primary-color);
}

.control-group.vertical {
    flex-direction: column;
}

/* Box Styles (for canvas rendering) */
.box-detected {
    stroke: #5cb85c;
    stroke-width: 3;
    fill: rgba(92, 184, 92, 0.1);
}

.box-manual {
    stroke: #4a90e2;
    stroke-width: 3;
    fill: rgba(74, 144, 226, 0.1);
}

.box-selected {
    stroke: #f0ad4e;
    stroke-width: 4;
    fill: rgba(240, 173, 78, 0.2);
}

.box-disabled {
    stroke: #95a5a6;
    stroke-width: 2;
    stroke-dasharray: 5, 5;
    fill: rgba(149, 165, 166, 0.05);
}

/* Resize Handles */
.resize-handle {
    fill: white;
    stroke: #333;
    stroke-width: 2;
    cursor: nwse-resize;
}

.resize-handle:hover {
    fill: var(--primary-color);
}

/* Delete Button (for boxes) */
.delete-button {
    fill: var(--danger-color);
    cursor: pointer;
}

.delete-button:hover {
    fill: #c9302c;
}

/* Status Badge */
.status-badge {
    display: inline-block;
    padding: 4px 12px;
    border-radius: 12px;
    font-size: 0.85rem;
    font-weight: 600;
    background: var(--primary-color);
    color: white;
}

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

.status-badge.warning {
    background: var(--warning-color);
}

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

/* Tooltip */
.tooltip {
    position: absolute;
    background: rgba(0, 0, 0, 0.8);
    color: white;
    padding: 6px 12px;
    border-radius: 4px;
    font-size: 0.85rem;
    pointer-events: none;
    z-index: 1000;
    white-space: nowrap;
}

/* Progress Bar */
.progress-bar {
    width: 300px;
    max-width: 80%;
    height: 12px;
    background: rgba(255, 255, 255, 0.3);
    border-radius: 6px;
    overflow: hidden;
    margin: 20px 0 10px 0;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--primary-color), var(--success-color));
    transition: width 0.3s ease;
    border-radius: 6px;
}

#progressText {
    color: white;
    font-size: 0.9rem;
    margin-top: 5px;
}

/* Help Text */
.help-text {
    font-size: 0.9rem;
    color: var(--text-light);
    margin-top: 5px;
    font-style: italic;
}

/* Instruction Box */
.instruction-box {
    background: #e3f2fd;
    border-left: 4px solid var(--primary-color);
    padding: 12px 16px;
    margin: 10px 0;
    border-radius: 4px;
}

.instruction-box p {
    margin: 5px 0;
    color: var(--text-dark);
}

.instruction-box strong {
    color: var(--primary-color);
}

/* Card */
.card {
    background: white;
    border-radius: 8px;
    padding: 20px;
    box-shadow: var(--shadow);
    margin-bottom: 20px;
}

.card-title {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 15px;
    color: var(--text-dark);
}

.card-content {
    color: var(--text-dark);
}

/* Divider */
.divider {
    height: 1px;
    background: var(--border-color);
    margin: 20px 0;
}

/* Fade In Animation */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in {
    animation: fadeIn 0.3s ease;
}