/* ============================================
   WREN DESIGN SYSTEM - MODALS
   Mobile-first modal dialogs with consistent animations
   ============================================ */

/* ========================================
   MODAL BASE
   ======================================== */

.modal {
    position: fixed;
    inset: 0;
    z-index: var(--z-modal);
    display: none;
    align-items: center;
    justify-content: center;
    padding: var(--space-4);
}

.modal.show {
    display: flex;
}

/* ========================================
   MODAL BACKDROP
   ======================================== */

.modal-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    animation: modalFadeIn var(--transition) ease;
    cursor: pointer;
    z-index: var(--z-backdrop);
}

@keyframes modalFadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

/* ========================================
   MODAL CONTAINER
   ======================================== */

.modal-container {
    position: relative;
    background: var(--white);
    border-radius: var(--radius-xl);
    border: var(--border-width) solid var(--black);
    box-shadow: var(--shadow-lg);
    max-height: 90vh;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    animation: modalSlideIn var(--transition-modal);
    font-family: var(--font-sans);
    width: 100%;
    max-width: 500px;
    z-index: var(--z-modal);
}

@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: scale(0.96) translateY(10px);
    }
    to {
        opacity: 1;
        transform: scale(1) translateY(0);
    }
}

/* ========================================
   MODAL SIZES
   ======================================== */

.modal-container.modal-sm {
    max-width: 450px;
}

.modal-container.modal-md {
    max-width: 500px;
}

.modal-container.modal-lg {
    max-width: 700px;
}

.modal-container.modal-xl {
    max-width: 900px;
}

.modal-container.modal-full {
    max-width: 95vw;
    width: 95vw;
    height: 95vh;
    max-height: 95vh;
}

/* ========================================
   MODAL HEADER
   ======================================== */

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-6) var(--space-8);
    border-bottom: var(--border-width) solid var(--black);
    flex-shrink: 0;
    background: var(--white);
    gap: var(--space-4);
}

.modal-title {
    font-size: var(--text-2xl);
    font-weight: 800;
    color: var(--black);
    font-family: var(--font-display);
    margin: 0;
    line-height: 1.2;
    letter-spacing: -0.02em;
}

/* Modal close button - consistent with button system */
.modal-close {
    width: var(--input-height-sm);
    height: var(--input-height-sm);
    min-width: var(--touch-target-sm);
    min-height: var(--touch-target-sm);
    border: var(--border-width) solid var(--gray-300);
    background: transparent;
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all var(--transition);
    flex-shrink: 0;
    color: var(--gray-600);
    font-size: 14px;
    padding: 0;
    margin: 0;
}

.modal-close:hover {
    border-color: var(--gray-400);
    background: var(--gray-50);
    color: var(--black);
}

.modal-close:active {
    transform: scale(0.95);
    background: var(--gray-100);
}

.modal-close:focus-visible {
    outline: none;
    box-shadow: var(--shadow-focus);
}

/* ========================================
   MODAL CONTENT
   ======================================== */

.modal-content {
    padding: var(--space-8);
    overflow-y: auto;
    flex: 1;
    min-height: 0;
}

.modal-content p {
    font-size: var(--text-base);
    line-height: 1.6;
    color: var(--gray-700);
    margin: 0 0 var(--space-4) 0;
}

.modal-content p:last-child {
    margin-bottom: 0;
}

/* ========================================
   MODAL FOOTER
   ======================================== */

.modal-footer {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: var(--space-3);
    padding: var(--space-6) var(--space-8);
    border-top: var(--border-width) solid var(--black);
    flex-shrink: 0;
    background: var(--white);
    flex-wrap: wrap;
}

.modal-footer.modal-footer-start {
    justify-content: flex-start;
}

.modal-footer.modal-footer-center {
    justify-content: center;
}

.modal-footer.modal-footer-space-between {
    justify-content: space-between;
}

/* ========================================
   MODAL WITH ICON HEADER
   ======================================== */

.modal-header.modal-header-with-icon {
    align-items: flex-start;
    gap: var(--space-4);
}

.modal-header-icon {
    width: 48px;
    height: 48px;
    min-width: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-xl);
    flex-shrink: 0;
    font-size: 24px;
}

.modal-header-icon.modal-icon-success {
    background: var(--success-light);
    color: var(--success);
}

.modal-header-icon.modal-icon-error {
    background: var(--error-light);
    color: var(--error);
}

.modal-header-icon.modal-icon-warning {
    background: var(--warning-light);
    color: var(--warning);
}

.modal-header-icon.modal-icon-info {
    background: var(--info-light);
    color: var(--info);
}

.modal-title-area {
    flex: 1;
    min-width: 0;
}

.modal-title-area .modal-title {
    margin-bottom: var(--space-1);
}

.modal-subtitle {
    font-size: var(--text-sm);
    color: var(--gray-600);
    margin: 0;
    line-height: 1.5;
}

/* ========================================
   MODAL VARIANTS
   ======================================== */

/* No header */
.modal-container.modal-no-header .modal-content {
    padding-top: var(--space-8);
}

/* No footer */
.modal-container.modal-no-footer .modal-content {
    padding-bottom: var(--space-8);
}

/* Centered content */
.modal-content-centered {
    text-align: center;
    padding: var(--space-16) var(--space-8);
}

/* Scrollable content */
.modal-content-scrollable {
    max-height: calc(90vh - 200px);
    overflow-y: auto;
}

/* ========================================
   CONFIRMATION MODAL
   ======================================== */

.modal-confirm {
    text-align: center;
}

.modal-confirm .modal-header {
    border-bottom: none;
    padding-bottom: 0;
    justify-content: flex-end;
}

.modal-confirm .modal-content {
    padding-top: 0;
}

.modal-confirm-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto var(--space-6);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-full);
    font-size: 32px;
}

.modal-confirm-icon.confirm-danger {
    background: var(--error-light);
    color: var(--error);
}

.modal-confirm-icon.confirm-warning {
    background: var(--warning-light);
    color: var(--warning);
}

.modal-confirm-icon.confirm-success {
    background: var(--success-light);
    color: var(--success);
}

.modal-confirm-title {
    font-size: var(--text-xl);
    font-weight: 800;
    color: var(--black);
    font-family: var(--font-display);
    margin-bottom: var(--space-2);
}

.modal-confirm-message {
    font-size: var(--text-base);
    color: var(--gray-600);
    line-height: 1.6;
    max-width: 320px;
    margin: 0 auto;
}

/* ========================================
   MOBILE RESPONSIVE
   ======================================== */

@media (max-width: 768px) {
    .modal {
        padding: 0;
        align-items: flex-end;
    }

    .modal-container {
        max-width: 100%;
        width: 100%;
        max-height: 95vh;
        border-radius: var(--radius-xl) var(--radius-xl) 0 0;
        border-left: none;
        border-right: none;
        border-bottom: none;
        animation: modalSlideUp var(--transition-modal);
    }

    @keyframes modalSlideUp {
        from {
            opacity: 0;
            transform: translateY(100%);
        }
        to {
            opacity: 1;
            transform: translateY(0);
        }
    }

    .modal-container.modal-sm,
    .modal-container.modal-md,
    .modal-container.modal-lg,
    .modal-container.modal-xl {
        max-width: 100%;
    }

    .modal-header {
        padding: var(--space-5) var(--space-5);
    }

    .modal-title {
        font-size: var(--text-xl);
    }

    .modal-content {
        padding: var(--space-5);
    }

    .modal-footer {
        padding: var(--space-5);
        flex-direction: column-reverse;
        gap: var(--space-2);
    }

    .modal-footer .btn {
        width: 100%;
    }

    /* Full screen modal on mobile */
    .modal-container.modal-full {
        max-width: 100%;
        width: 100%;
        height: 100vh;
        max-height: 100vh;
        border-radius: 0;
    }
}

@media (max-width: 480px) {
    .modal-header {
        padding: var(--space-4);
    }

    .modal-content {
        padding: var(--space-4);
    }

    .modal-footer {
        padding: var(--space-4);
    }

    .modal-header-icon {
        width: 40px;
        height: 40px;
        min-width: 40px;
        font-size: 20px;
    }

    .modal-confirm-icon {
        width: 56px;
        height: 56px;
        font-size: 28px;
    }
}

/* ========================================
   TOUCH DEVICE OPTIMIZATIONS
   ======================================== */

@media (hover: none) and (pointer: coarse) {
    .modal-close:hover {
        background: transparent;
        border-color: var(--gray-300);
    }

    .modal-close:active {
        background: var(--gray-100);
    }
}

/* ========================================
   BLOCK MODAL
   Specific styles for limit/block modals
   Uses Wren design system colors
   ======================================== */

#block-modal .modal-confirm-icon {
    background: var(--warning-light);
    color: var(--warning);
}

#block-modal .modal-confirm-title {
    color: var(--gray-800);
    font-family: var(--font-display);
}

#block-modal .modal-confirm-message {
    color: var(--gray-600);
    max-width: 360px;
}

#block-modal .modal-footer {
    border-top: none;
    padding-top: 0;
}

/* Upgrade button - terracotta primary */
#block-modal .btn-primary {
    background: var(--wren-terracotta);
    color: var(--white);
    border-color: var(--wren-terracotta);
    gap: var(--space-2);
}

#block-modal .btn-primary:hover {
    background: var(--wren-terracotta-hover);
    border-color: var(--wren-terracotta-hover);
}

/* Close button - subtle outline */
#block-modal .btn-outline {
    border-color: var(--gray-300);
    color: var(--gray-600);
    background: transparent;
}

#block-modal .btn-outline:hover {
    border-color: var(--gray-400);
    background: var(--gray-50);
    color: var(--gray-700);
}