/* Custom Modal Styles - Matching Application Theme */

:root {
    --modal-z-index: 2000;
    --modal-bg: #1e1e2d;
    /* Slightly lighter than main bg */
    --modal-overlay-bg: rgba(0, 0, 0, 0.7);
    --modal-border: rgba(139, 92, 246, 0.2);
    --modal-radius: 16px;
    --modal-width-sm: 400px;
    --modal-width-md: 500px;
}

/* Overlay */
.custom-modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: var(--modal-overlay-bg);
    backdrop-filter: blur(5px);
    z-index: var(--modal-z-index);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

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

.custom-modal-overlay.closing {
    opacity: 0;
    visibility: hidden;
}

/* Modal Container */
.custom-modal {
    background: var(--bg-card, #161523);
    border: 1px solid var(--modal-border);
    border-radius: var(--modal-radius);
    padding: 0;
    width: 90%;
    max-width: var(--modal-width-sm);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5), 0 0 20px rgba(139, 92, 246, 0.1);
    transform: scale(0.9);
    opacity: 0;
    transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.custom-modal-overlay.active .custom-modal {
    transform: scale(1);
    opacity: 1;
}

.custom-modal-overlay.closing .custom-modal {
    transform: scale(0.9);
    opacity: 0;
}

/* Header */
.custom-modal-header {
    padding: 20px 24px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.custom-modal-title {
    margin: 0;
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary, #ffffff);
    display: flex;
    align-items: center;
    gap: 10px;
}

.custom-modal-close-btn {
    background: transparent;
    border: none;
    color: var(--text-muted, #71717a);
    font-size: 1.5rem;
    line-height: 1;
    cursor: pointer;
    transition: color 0.2s;
    padding: 0;
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.custom-modal-close-btn:hover {
    color: var(--text-primary, #ffffff);
}

/* Body */
.custom-modal-body {
    padding: 24px;
    color: var(--text-secondary, #a1a1aa);
    font-size: 1rem;
    line-height: 1.6;
}

/* Input for Prompt */
.custom-modal-input {
    width: 100%;
    background: var(--bg-input, #0c0b14);
    border: 1px solid var(--border-color, rgba(139, 92, 246, 0.15));
    border-radius: 8px;
    padding: 12px 16px;
    color: var(--text-primary, #ffffff);
    font-size: 1rem;
    margin-top: 10px;
    transition: border-color 0.2s, box-shadow 0.2s;
    outline: none;
}

.custom-modal-input:focus {
    border-color: var(--accent-purple, #a855f7);
    box-shadow: 0 0 0 2px rgba(168, 85, 247, 0.2);
}

/* Footer */
.custom-modal-footer {
    padding: 16px 24px 24px;
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 12px;
}

/* Buttons */
.custom-modal-btn {
    padding: 10px 20px;
    border-radius: 8px;
    font-weight: 500;
    font-size: 0.95rem;
    cursor: pointer;
    border: 1px solid transparent;
    transition: all 0.2s;
}

.custom-modal-btn-cancel {
    background: transparent;
    color: var(--text-secondary, #a1a1aa);
    border: 1px solid var(--border-color, rgba(255, 255, 255, 0.1));
}

.custom-modal-btn-cancel:hover {
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-primary, #ffffff);
}

.custom-modal-btn-confirm {
    background: var(--accent-purple, #a855f7);
    color: white;
    box-shadow: 0 4px 12px rgba(168, 85, 247, 0.3);
}

.custom-modal-btn-confirm:hover {
    filter: brightness(1.1);
    transform: translateY(-1px);
    box-shadow: 0 6px 16px rgba(168, 85, 247, 0.4);
}

.custom-modal-btn-danger {
    background: var(--error, #ef4444);
    color: white;
    box-shadow: 0 4px 12px rgba(239, 68, 68, 0.3);
}

.custom-modal-btn-danger:hover {
    filter: brightness(1.1);
    transform: translateY(-1px);
    box-shadow: 0 6px 16px rgba(239, 68, 68, 0.4);
}

/* Type variations */
.custom-modal-icon {
    font-size: 1.5rem;
}

/* Toast Notification (Optional, for success messages) */
.custom-toast-container {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 2100;
    display: flex;
    flex-direction: column;
    gap: 10px;
    pointer-events: none;
}

.custom-toast {
    background: var(--bg-card, #161523);
    border: 1px solid var(--border-color, rgba(139, 92, 246, 0.15));
    border-left: 4px solid var(--accent-purple, #a855f7);
    padding: 16px 20px;
    border-radius: 8px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
    color: var(--text-primary, #ffffff);
    display: flex;
    align-items: center;
    gap: 12px;
    min-width: 300px;
    transform: translateX(120%);
    transition: transform 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    pointer-events: auto;
}

.custom-toast.show {
    transform: translateX(0);
}

.custom-toast.success {
    border-left-color: var(--success, #22c55e);
}

.custom-toast.error {
    border-left-color: var(--error, #ef4444);
}

.custom-toast.warning {
    border-left-color: #f59e0b;
}

.custom-toast.info {
    border-left-color: var(--accent-blue, #6366f1);
}

/* ========================================
   Session Viewer Modal - Redesigned
   ======================================== */

/* Modal Container */
.modal-large-xl {
    width: 80vw;
    max-width: 800px;
    height: 90vh;
    background: linear-gradient(135deg, #0f0e17 0%, #1a1825 100%);
    border: 1px solid rgba(139, 92, 246, 0.2);
    border-radius: 16px;
    box-shadow:
        0 25px 80px rgba(0, 0, 0, 0.6),
        0 0 40px rgba(139, 92, 246, 0.1),
        inset 0 1px 0 rgba(255, 255, 255, 0.05);
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.modal-large-xl .modal-header {
    flex-shrink: 0;
    padding: 20px 28px;
    background: linear-gradient(180deg, rgba(139, 92, 246, 0.08) 0%, transparent 100%);
    border-bottom: 1px solid rgba(139, 92, 246, 0.15);
}

.modal-large-xl .modal-header h3 {
    font-size: 1.15rem;
    font-weight: 600;
    background: linear-gradient(135deg, #e4e4e7 0%, #a1a1aa 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.modal-large-xl .modal-body {
    flex: 1;
    padding: 0 !important;
    overflow: hidden;
    min-height: 0;
}

/* Main Container - Two Panel Layout */
.session-viewer-container {
    display: flex;
    width: 100%;
    height: 100%;
    overflow: hidden;
}

/* ===== Left Sidebar - Session List ===== */
.session-viewer-sidebar {
    width: 280px;
    min-width: 280px;
    background: linear-gradient(180deg, rgba(22, 21, 35, 0.98) 0%, rgba(14, 13, 22, 0.98) 100%);
    border-right: 1px solid rgba(139, 92, 246, 0.12);
    display: flex;
    flex-direction: column;
    flex-shrink: 0;
}

.session-viewer-sidebar-header {
    padding: 18px 20px;
    border-bottom: 1px solid rgba(139, 92, 246, 0.1);
    font-weight: 600;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: #71717a;
    background: rgba(139, 92, 246, 0.03);
}

.session-viewer-list {
    flex: 1;
    overflow-y: auto;
    padding: 12px;
}

.session-viewer-list::-webkit-scrollbar {
    width: 4px;
}

.session-viewer-list::-webkit-scrollbar-track {
    background: transparent;
}

.session-viewer-list::-webkit-scrollbar-thumb {
    background: rgba(139, 92, 246, 0.3);
    border-radius: 4px;
}

/* Session List Items */
.session-list-item {
    padding: 14px 16px;
    border-radius: 12px;
    cursor: pointer;
    margin-bottom: 8px;
    transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    border: 1px solid transparent;
    background: rgba(255, 255, 255, 0.02);
    position: relative;
    overflow: hidden;
}

.session-list-item::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 3px;
    background: transparent;
    border-radius: 0 3px 3px 0;
    transition: background 0.25s;
}

.session-list-item:hover {
    background: rgba(139, 92, 246, 0.08);
    border-color: rgba(139, 92, 246, 0.15);
    transform: translateX(2px);
}

.session-list-item.active {
    background: linear-gradient(135deg, rgba(168, 85, 247, 0.15) 0%, rgba(99, 102, 241, 0.1) 100%);
    border-color: rgba(168, 85, 247, 0.3);
    box-shadow: 0 4px 15px rgba(168, 85, 247, 0.15);
}

.session-list-item.active::before {
    background: linear-gradient(180deg, #a855f7 0%, #6366f1 100%);
}

.session-list-item-title {
    font-weight: 500;
    font-size: 0.95rem;
    color: #e4e4e7;
    margin-bottom: 6px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.session-list-item.active .session-list-item-title {
    color: #ffffff;
}

.session-list-item-date {
    font-size: 0.75rem;
    color: #52525b;
    display: flex;
    align-items: center;
    gap: 6px;
}

.session-list-item.active .session-list-item-date {
    color: #a1a1aa;
}

/* ===== Right Panel - Chat Content ===== */
.session-viewer-main {
    flex: 1;
    display: flex;
    flex-direction: column;
    background: linear-gradient(180deg, #0e0d16 0%, #0a0914 100%);
    overflow: hidden;
    position: relative;
}

.session-viewer-content {
    flex: 1;
    overflow-y: auto;
    padding: 32px 40px;
    display: flex;
    flex-direction: column;
    gap: 28px;
    scroll-behavior: smooth;
}

.session-viewer-content::-webkit-scrollbar {
    width: 6px;
}

.session-viewer-content::-webkit-scrollbar-track {
    background: transparent;
}

.session-viewer-content::-webkit-scrollbar-thumb {
    background: rgba(139, 92, 246, 0.25);
    border-radius: 6px;
}

.session-viewer-content::-webkit-scrollbar-thumb:hover {
    background: rgba(139, 92, 246, 0.4);
}

/* ===== Chat Messages ===== */
.viewer-message {
    display: flex;
    gap: 16px;
    max-width: 720px;
    animation: messageSlideIn 0.3s ease-out;
}

@keyframes messageSlideIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.viewer-message.user {
    flex-direction: row-reverse;
    align-self: flex-end;
}

.viewer-message.assistant {
    align-self: flex-start;
}

/* Avatar */
.viewer-avatar {
    width: 40px;
    height: 40px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    flex-shrink: 0;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.viewer-message.user .viewer-avatar {
    background: linear-gradient(135deg, #a855f7 0%, #7c3aed 100%);
}

.viewer-message.assistant .viewer-avatar {
    background: linear-gradient(135deg, #6366f1 0%, #4f46e5 100%);
}

/* Content Wrapper */
.viewer-content-wrapper {
    display: flex;
    flex-direction: column;
    gap: 8px;
    max-width: calc(100% - 56px);
}

/* Message Bubble */
.viewer-bubble {
    padding: 14px 18px;
    border-radius: 16px;
    line-height: 1.65;
    font-size: 0.95rem;
    overflow-wrap: break-word;
    word-break: break-word;
    position: relative;
}

.viewer-message.assistant .viewer-bubble {
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.12) 0%, rgba(99, 102, 241, 0.06) 100%);
    border: 1px solid rgba(99, 102, 241, 0.15);
    border-top-left-radius: 4px;
    color: #d4d4d8;
}

.viewer-message.user .viewer-bubble {
    background: linear-gradient(135deg, rgba(168, 85, 247, 0.2) 0%, rgba(168, 85, 247, 0.1) 100%);
    border: 1px solid rgba(168, 85, 247, 0.25);
    border-top-right-radius: 4px;
    color: #fafafa;
}

/* Generated Images */
.viewer-image {
    margin-top: 12px;
    max-width: 320px !important;
    max-height: 320px !important;
    width: auto !important;
    height: auto !important;
    object-fit: contain;
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    display: block;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
    transition: transform 0.2s, box-shadow 0.2s;
    cursor: pointer;
}

.viewer-image:hover {
    transform: scale(1.02);
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.5);
}

/* Empty State */
.viewer-empty {
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 20px;
    padding: 40px;
}

.viewer-empty-icon {
    font-size: 4rem;
    opacity: 0.4;
    filter: grayscale(0.3);
}

.viewer-empty p {
    color: #52525b;
    font-size: 1rem;
    text-align: center;
}

/* ===== Responsive ===== */
@media (max-width: 900px) {
    .modal-large-xl {
        width: 98vw;
        height: 95vh;
        border-radius: 12px;
    }

    .session-viewer-sidebar {
        width: 220px;
        min-width: 220px;
    }

    .session-viewer-content {
        padding: 20px 24px;
    }

    .viewer-message {
        max-width: 100%;
    }

    .viewer-image {
        max-width: 260px !important;
        max-height: 260px !important;
    }
}

@media (max-width: 600px) {
    .session-viewer-sidebar {
        width: 180px;
        min-width: 180px;
    }

    .session-list-item {
        padding: 10px 12px;
    }

    .session-list-item-title {
        font-size: 0.85rem;
    }
}