/**
 * NOTES AI - Styles for AI-powered note enhancement
 * ProductiveApp v4.2
 */

/* ========== AI FAB (Floating Action Button) ========== */
.notes-ai-fab {
    position: absolute;
    bottom: 24px;
    right: 24px;
    z-index: 100;
    display: flex;
    flex-direction: column-reverse;
    align-items: center;
    gap: 12px;
}

.ai-fab-main {
    width: 56px;
    height: 56px;
    border-radius: 16px;
    background: linear-gradient(135deg, var(--accent, #6366f1), var(--accent-secondary, #8b5cf6));
    border: none;
    color: white;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow:
        0 4px 20px var(--accent-glow, rgba(99, 102, 241, 0.4)),
        0 2px 0 rgba(255, 255, 255, 0.15) inset;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.ai-fab-main::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(255,255,255,0.2) 0%, transparent 50%);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.ai-fab-main:hover {
    transform: scale(1.08);
    box-shadow:
        0 8px 30px var(--accent-glow, rgba(99, 102, 241, 0.5)),
        0 2px 0 rgba(255, 255, 255, 0.2) inset;
}

.ai-fab-main:hover::before {
    opacity: 1;
}

.ai-fab-main svg {
    width: 26px;
    height: 26px;
}

.ai-fab-main.processing {
    pointer-events: none;
}

.ai-fab-main.processing svg {
    animation: ai-spin 1s linear infinite;
}

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

/* FAB Menu */
.ai-fab-menu {
    display: flex;
    flex-direction: column;
    gap: 8px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px) scale(0.9);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.notes-ai-fab.expanded .ai-fab-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0) scale(1);
}

.notes-ai-fab.expanded .ai-fab-main {
    transform: rotate(45deg);
    background: var(--danger, #ef4444);
}

.ai-fab-action {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 16px;
    background: var(--bg-card, rgba(30, 30, 45, 0.95));
    border: 1px solid var(--border, rgba(255, 255, 255, 0.1));
    border-radius: 12px;
    color: var(--text-primary, #fff);
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    white-space: nowrap;
    box-shadow:
        0 4px 15px rgba(0, 0, 0, 0.3),
        0 1px 0 rgba(255, 255, 255, 0.05) inset;
    transition: all 0.2s ease;
    backdrop-filter: blur(10px);
}

.ai-fab-action:hover {
    background: var(--accent, #6366f1);
    border-color: var(--accent, #6366f1);
    transform: translateX(-5px);
    box-shadow:
        0 6px 20px var(--accent-glow, rgba(99, 102, 241, 0.4)),
        0 1px 0 rgba(255, 255, 255, 0.1) inset;
}

.ai-fab-action svg {
    width: 18px;
    height: 18px;
    flex-shrink: 0;
}

.ai-fab-action span {
    flex: 1;
}

/* ========== AI Preview Modal ========== */
.notes-ai-preview-modal {
    position: fixed;
    inset: 0;
    z-index: 10000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.notes-ai-preview-modal.active {
    opacity: 1;
    visibility: visible;
}

.ai-preview-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(8px);
}

.ai-preview-content {
    position: relative;
    width: 100%;
    max-width: 800px;
    max-height: 90vh;
    background: var(--bg-card, rgba(25, 25, 35, 0.98));
    border: 1px solid var(--border, rgba(255, 255, 255, 0.1));
    border-radius: 20px;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    box-shadow:
        0 25px 80px rgba(0, 0, 0, 0.5),
        0 2px 0 rgba(255, 255, 255, 0.05) inset,
        0 0 60px var(--accent-glow, rgba(99, 102, 241, 0.1));
    transform: scale(0.9) translateY(30px);
    transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.notes-ai-preview-modal.active .ai-preview-content {
    transform: scale(1) translateY(0);
}

.ai-preview-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 24px;
    border-bottom: 1px solid var(--border, rgba(255, 255, 255, 0.1));
    background: linear-gradient(180deg, rgba(255,255,255,0.03) 0%, transparent 100%);
}

.ai-preview-header h3 {
    display: flex;
    align-items: center;
    gap: 12px;
    margin: 0;
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--text-primary, #fff);
}

.ai-preview-header h3 svg {
    width: 24px;
    height: 24px;
    color: var(--accent, #6366f1);
}

.ai-preview-close {
    width: 36px;
    height: 36px;
    border-radius: 10px;
    background: var(--bg-secondary, rgba(255, 255, 255, 0.05));
    border: 1px solid var(--border, rgba(255, 255, 255, 0.1));
    color: var(--text-muted, #888);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
}

.ai-preview-close:hover {
    background: var(--danger, #ef4444);
    border-color: var(--danger, #ef4444);
    color: white;
}

.ai-preview-close svg {
    width: 18px;
    height: 18px;
}

.ai-preview-body {
    flex: 1;
    overflow-y: auto;
    padding: 24px;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.ai-preview-section {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.ai-preview-section label {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-muted, #888);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.ai-preview-text {
    padding: 16px 20px;
    background: var(--bg-secondary, rgba(0, 0, 0, 0.3));
    border: 1px solid var(--border, rgba(255, 255, 255, 0.08));
    border-radius: 12px;
    font-size: 0.95rem;
    line-height: 1.7;
    color: var(--text-secondary, rgba(255, 255, 255, 0.8));
    max-height: 200px;
    overflow-y: auto;
    white-space: pre-wrap;
}

.ai-preview-text.original {
    opacity: 0.7;
    border-left: 3px solid var(--text-muted, #888);
}

.ai-preview-text.result {
    border-left: 3px solid var(--accent, #6366f1);
    background: linear-gradient(90deg, var(--accent-glow, rgba(99, 102, 241, 0.1)) 0%, transparent 100%);
}

.ai-preview-footer {
    display: flex;
    justify-content: flex-end;
    gap: 12px;
    padding: 20px 24px;
    border-top: 1px solid var(--border, rgba(255, 255, 255, 0.1));
    background: linear-gradient(180deg, transparent 0%, rgba(0,0,0,0.2) 100%);
}

.ai-preview-footer .btn {
    padding: 12px 24px;
    font-size: 0.95rem;
}

/* ========== Toolbar AI Button ========== */
.toolbar-btn-ai {
    background: linear-gradient(135deg, var(--accent, #6366f1), var(--accent-secondary, #8b5cf6)) !important;
    color: white !important;
    border: none !important;
}

.toolbar-btn-ai:hover {
    transform: scale(1.1);
    box-shadow: 0 4px 15px var(--accent-glow, rgba(99, 102, 241, 0.4));
}

.toolbar-ai-group {
    margin-left: auto;
}

/* ========== AI Spinner ========== */
.ai-spinner {
    animation: ai-spin 1s linear infinite;
}

/* ========== Responsive ========== */
@media (max-width: 768px) {
    .notes-ai-fab {
        bottom: 16px;
        right: 16px;
    }

    .ai-fab-main {
        width: 50px;
        height: 50px;
    }

    .ai-fab-action {
        padding: 8px 14px;
        font-size: 0.85rem;
    }

    .ai-preview-content {
        max-height: 95vh;
        border-radius: 16px;
    }

    .ai-preview-body {
        padding: 16px;
    }

    .ai-preview-text {
        max-height: 150px;
    }
}

/* ========== Theme Specific ========== */
[data-theme="matrix"] .ai-fab-main,
[data-theme="hacker"] .ai-fab-main {
    background: linear-gradient(135deg, #22c55e, #16a34a);
}

[data-theme="cyberpunk"] .ai-fab-main {
    background: linear-gradient(135deg, #ec4899, #db2777);
}

[data-theme="ocean"] .ai-fab-main {
    background: linear-gradient(135deg, #06b6d4, #0891b2);
}

[data-theme="sunset"] .ai-fab-main {
    background: linear-gradient(135deg, #f97316, #ea580c);
}

[data-theme="forest"] .ai-fab-main {
    background: linear-gradient(135deg, #22c55e, #16a34a);
}