/* ============================================
   Custom Modal System - WisdomBrains Theme
   Replaces native alert(), confirm(), prompt()
   ============================================ */

/* Overlay */
.wb-modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    z-index: 10000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1rem;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.2s ease, visibility 0.2s ease;
}

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

/* Modal Container */
.wb-modal {
    background: #ffffff;
    border-radius: 0.75rem;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25),
                0 10px 20px -5px rgba(0, 0, 0, 0.1);
    max-width: 400px;
    width: 100%;
    overflow: hidden;
    transform: scale(0.9) translateY(10px);
    transition: transform 0.2s ease;
}

.wb-modal-overlay.wb-modal-active .wb-modal {
    transform: scale(1) translateY(0);
}

/* Modal Header */
.wb-modal-header {
    background: #1e3a5f;
    color: #ffffff;
    padding: 1rem 1.25rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
}

.wb-modal-header.wb-modal-header-success {
    background: #166534;
}

.wb-modal-header.wb-modal-header-error {
    background: #991b1b;
}

.wb-modal-title {
    font-size: 1rem;
    font-weight: 600;
    margin: 0;
    line-height: 1.4;
}

.wb-modal-close {
    background: none;
    border: none;
    color: #ffffff;
    font-size: 1.25rem;
    cursor: pointer;
    padding: 0.25rem;
    line-height: 1;
    border-radius: 0.25rem;
    opacity: 0.8;
    transition: opacity 0.15s ease;
    flex-shrink: 0;
}

.wb-modal-close:hover,
.wb-modal-close:focus {
    opacity: 1;
    outline: 2px solid rgba(255, 255, 255, 0.5);
    outline-offset: 2px;
}

/* Modal Body */
.wb-modal-body {
    padding: 1.5rem 1.25rem;
}

.wb-modal-message {
    font-size: 0.95rem;
    line-height: 1.6;
    color: #374151;
    margin: 0;
    word-wrap: break-word;
}

/* Modal Input (for prompt) */
.wb-modal-input {
    width: 100%;
    padding: 0.625rem 0.75rem;
    margin-top: 1rem;
    border: 2px solid #d1d5db;
    border-radius: 0.5rem;
    font-size: 0.95rem;
    color: #1f2937;
    background: #f9fafb;
    transition: border-color 0.15s ease, box-shadow 0.15s ease;
    box-sizing: border-box;
}

.wb-modal-input:focus {
    outline: none;
    border-color: #1e3a5f;
    box-shadow: 0 0 0 3px rgba(30, 58, 95, 0.1);
    background: #ffffff;
}

/* Modal Footer / Buttons */
.wb-modal-footer {
    padding: 0 1.25rem 1.25rem;
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 0.75rem;
}

.wb-modal-btn {
    padding: 0.5rem 1.25rem;
    border-radius: 0.5rem;
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: background-color 0.15s ease, transform 0.1s ease, box-shadow 0.15s ease;
    border: 2px solid transparent;
    line-height: 1.4;
}

.wb-modal-btn:active {
    transform: scale(0.97);
}

.wb-modal-btn:focus {
    outline: 2px solid #1e3a5f;
    outline-offset: 2px;
}

/* Primary Button */
.wb-modal-btn-primary {
    background-color: #1e3a5f;
    color: #ffffff;
    border-color: #1e3a5f;
}

.wb-modal-btn-primary:hover {
    background-color: #e86c25;
    border-color: #e86c25;
}

/* Secondary / Cancel Button */
.wb-modal-btn-secondary {
    background-color: transparent;
    color: #4b5563;
    border-color: #d1d5db;
}

.wb-modal-btn-secondary:hover {
    background-color: #f3f4f6;
    border-color: #9ca3af;
}

/* Success variant primary button */
.wb-modal-footer .wb-modal-btn-success {
    background-color: #166534;
    border-color: #166534;
    color: #ffffff;
}

.wb-modal-footer .wb-modal-btn-success:hover {
    background-color: #15803d;
    border-color: #15803d;
}

/* Error variant primary button */
.wb-modal-footer .wb-modal-btn-error {
    background-color: #991b1b;
    border-color: #991b1b;
    color: #ffffff;
}

.wb-modal-footer .wb-modal-btn-error:hover {
    background-color: #b91c1c;
    border-color: #b91c1c;
}

/* Responsive */
@media (max-width: 480px) {
    .wb-modal-overlay {
        padding: 0.75rem;
    }

    .wb-modal {
        max-width: 100%;
    }

    .wb-modal-header {
        padding: 0.875rem 1rem;
    }

    .wb-modal-body {
        padding: 1.25rem 1rem;
    }

    .wb-modal-footer {
        padding: 0 1rem 1rem;
        flex-direction: column-reverse;
    }

    .wb-modal-btn {
        width: 100%;
        text-align: center;
        padding: 0.625rem 1rem;
    }
}