/* ============================================================
   MODAL COMPONENT
   ============================================================ */

.modal-container {
    position: fixed;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: var(--z-modal);
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    padding: var(--spacing-4);
}

.modal-container.open {
    opacity: 1;
    visibility: visible;
}

.modal-container .modal-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
}

.modal-container .modal-content {
    position: relative;
    background: var(--color-white);
    border-radius: var(--border-radius-xl);
    max-width: 560px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: var(--shadow-2xl);
    transform: scale(0.95) translateY(20px);
    transition: all 0.3s ease;
}

.modal-container.open .modal-content {
    transform: scale(1) translateY(0);
}

.modal-container .modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-5) var(--spacing-6);
    border-bottom: 1px solid var(--color-gray-200);
    position: sticky;
    top: 0;
    background: var(--color-white);
    z-index: 1;
    border-radius: var(--border-radius-xl) var(--border-radius-xl) 0 0;
}

.modal-container .modal-header .modal-title {
    font-size: var(--font-size-lg);
    font-weight: 700;
    color: var(--color-gray-900);
}

.modal-container .modal-header .modal-close {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--border-radius-full);
    background: var(--color-gray-100);
    color: var(--color-gray-600);
    transition: all var(--transition-base);
    cursor: pointer;
    border: none;
}

.modal-container .modal-header .modal-close:hover {
    background: var(--color-gray-200);
    color: var(--color-gray-900);
}

.modal-container .modal-body {
    padding: var(--spacing-6);
}

.modal-container .modal-footer {
    padding: var(--spacing-4) var(--spacing-6);
    border-top: 1px solid var(--color-gray-200);
    display: flex;
    justify-content: flex-end;
    gap: var(--spacing-3);
    border-radius: 0 0 var(--border-radius-xl) var(--border-radius-xl);
}

/* ===== Modal Sizes ===== */
.modal-container .modal-content.sm {
    max-width: 400px;
}

.modal-container .modal-content.lg {
    max-width: 720px;
}

.modal-container .modal-content.xl {
    max-width: 960px;
}

/* ===== Modal Buttons ===== */
.modal-container .btn-primary {
    padding: var(--spacing-2) var(--spacing-6);
    background: var(--color-primary);
    color: var(--color-white);
    border-radius: var(--border-radius-md);
    font-weight: 600;
    transition: all var(--transition-base);
}

.modal-container .btn-primary:hover {
    background: var(--color-primary-light);
}

.modal-container .btn-secondary {
    padding: var(--spacing-2) var(--spacing-6);
    background: var(--color-gray-100);
    color: var(--color-gray-700);
    border-radius: var(--border-radius-md);
    font-weight: 600;
    transition: all var(--transition-base);
}

.modal-container .btn-secondary:hover {
    background: var(--color-gray-200);
}

/* ===== Responsive ===== */
@media (max-width: 640px) {
    .modal-container {
        padding: var(--spacing-2);
        align-items: flex-end;
    }

    .modal-container .modal-content {
        max-height: 95vh;
        border-radius: var(--border-radius-lg) var(--border-radius-lg) 0 0;
    }

    .modal-container .modal-header {
        padding: var(--spacing-4);
    }

    .modal-container .modal-body {
        padding: var(--spacing-4);
    }

    .modal-container .modal-footer {
        padding: var(--spacing-3) var(--spacing-4);
        flex-direction: column;
    }

    .modal-container .modal-footer .btn-primary,
    .modal-container .modal-footer .btn-secondary {
        width: 100%;
        text-align: center;
    }
}