/**
 * Modal System Styles
 */

/* Overlay */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(2px);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.2s ease, visibility 0.2s ease;
}

.modal-overlay--visible {
    opacity: 1;
    visibility: visible;
}

/* Modal */
.modal {
    position: relative;
    background: var(--color-surface, #ffffff);
    border-radius: var(--border-radius, 12px);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    display: flex;
    flex-direction: column;
    transform: scale(0.95) translateY(-20px);
    opacity: 0;
    transition: transform 0.2s ease, opacity 0.2s ease;
    overflow: hidden;
}

.modal--visible {
    transform: scale(1) translateY(0);
    opacity: 1;
}

/* Maximized state */
.modal--maximized {
    position: fixed !important;
    top: 0 !important;
    left: 0 !important;
    right: 0 !important;
    bottom: 0 !important;
    width: 100% !important;
    height: 100% !important;
    max-width: 100% !important;
    max-height: 100% !important;
    border-radius: 0;
    transform: none !important;
}

/* Header */
.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-md, 16px);
    border-bottom: 1px solid var(--color-border, #e5e7eb);
    background: var(--color-surface-alt, #f9fafb);
    flex-shrink: 0;
}

.modal-title {
    margin: 0;
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--color-text, #1f2937);
}

/* Controls */
.modal-controls {
    display: flex;
    gap: 4px;
}

.modal-control {
    width: 28px;
    height: 28px;
    border: none;
    background: transparent;
    cursor: pointer;
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    color: var(--color-text-muted, #6b7280);
    transition: background-color 0.15s, color 0.15s;
}

.modal-control:hover {
    background: var(--color-border, #e5e7eb);
    color: var(--color-text, #1f2937);
}

.modal-control--close:hover {
    background: var(--color-error, #ef4444);
    color: white;
}

/* Body */
.modal-body {
    padding: var(--spacing-lg, 24px);
    overflow-y: auto;
    flex: 1;
}

/* Resizer */
.modal-resizer {
    position: absolute;
    right: 0;
    bottom: 0;
    width: 20px;
    height: 20px;
    cursor: se-resize;
    background: linear-gradient(135deg, transparent 50%, var(--color-border, #e5e7eb) 50%);
}

.modal--maximized .modal-resizer {
    display: none;
}

/* Loading state */
.modal-loading {
    text-align: center;
    padding: var(--spacing-xl, 32px);
    color: var(--color-text-muted, #6b7280);
}

.modal-loading::before {
    content: '';
    display: block;
    width: 32px;
    height: 32px;
    margin: 0 auto 16px;
    border: 3px solid var(--color-border, #e5e7eb);
    border-top-color: var(--color-primary, #4f46e5);
    border-radius: 50%;
    animation: modal-spin 0.8s linear infinite;
}

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

/* Error state */
.modal-error {
    text-align: center;
    padding: var(--spacing-xl, 32px);
    color: var(--color-error, #ef4444);
}

/* Confirm modal */
.modal--confirm .modal-body {
    padding: var(--spacing-lg, 24px);
}

.modal-confirm-message {
    margin: 0 0 var(--spacing-lg, 24px) 0;
    font-size: 1rem;
    color: var(--color-text, #1f2937);
    text-align: center;
}

.modal-confirm-buttons {
    display: flex;
    gap: var(--spacing-sm, 8px);
    justify-content: center;
}

.modal-confirm-buttons .btn {
    min-width: 100px;
}

/* Button variants for modals */
.btn--secondary {
    background: var(--color-surface-alt, #f3f4f6);
    color: var(--color-text, #1f2937);
    border: 1px solid var(--color-border, #e5e7eb);
}

.btn--secondary:hover {
    background: var(--color-border, #e5e7eb);
}

.btn--danger {
    background: var(--color-error, #ef4444);
    color: white;
}

.btn--danger:hover {
    background: #dc2626;
}

/* Responsive */
@media (max-width: 640px) {
    .modal {
        width: 95vw !important;
        max-width: 95vw !important;
    }

    .modal-header {
        padding: var(--spacing-sm, 12px) var(--spacing-md, 16px);
    }

    .modal-body {
        padding: var(--spacing-md, 16px);
    }
}