/**
 * NOTES GRAPH VIEW - Premium glassmorphism styling
 * ProductiveApp v5.0
 */

/* === MODAL OVERLAY === */
.notes-graph-modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(10, 10, 18, 0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1100;
    animation: fadeIn 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

/* === MODAL CONTAINER === */
.notes-graph-modal {
    width: 95vw;
    height: 90vh;
    max-width: 1800px;
    max-height: 1000px;
    background: linear-gradient(135deg, rgba(20, 20, 40, 0.95), rgba(30, 30, 50, 0.95));
    border-radius: 20px;
    box-shadow: 0 25px 80px rgba(0, 0, 0, 0.6),
                inset 0 1px 1px rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    animation: slideUp 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

@keyframes slideUp {
    from {
        transform: translateY(40px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

/* === HEADER === */
.notes-graph-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 24px;
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.08), rgba(255, 255, 255, 0.02));
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.notes-graph-title {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 20px;
    font-weight: 600;
    color: #ffffff;
    margin: 0;
}

.notes-graph-title svg {
    color: #667eea;
}

.notes-graph-close {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: transform 0.2s ease-out, background 0.2s ease-out, border-color 0.2s ease-out, color 0.2s ease-out, opacity 0.2s ease-out;
    color: #aaa;
}

.notes-graph-close:hover {
    background: rgba(255, 255, 255, 0.1);
    color: #fff;
    transform: scale(1.05);
}

/* === TOOLBAR === */
.notes-graph-toolbar {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    background: rgba(0, 0, 0, 0.2);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    flex-wrap: wrap;
}

.graph-btn {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 14px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    color: #ddd;
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    transition: transform 0.25s cubic-bezier(0.4, 0, 0.2, 1), background 0.25s ease-out, border-color 0.25s ease-out, opacity 0.25s ease-out;
    white-space: nowrap;
}

.graph-btn svg {
    flex-shrink: 0;
}

.graph-btn:hover {
    background: rgba(102, 126, 234, 0.15);
    border-color: rgba(102, 126, 234, 0.4);
    color: #fff;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.2);
}

.graph-btn:active {
    transform: translateY(0);
}

.graph-btn-active {
    background: rgba(102, 126, 234, 0.2) !important;
    border-color: rgba(102, 126, 234, 0.4) !important;
    color: #a5b4fc !important;
}

.graph-toolbar-divider {
    width: 1px;
    height: 24px;
    background: rgba(255, 255, 255, 0.1);
    margin: 0 4px;
}

/* === CONTAINER === */
.notes-graph-container {
    position: relative;
    flex: 1;
    background: #0a0a12;
    overflow: hidden;
}

#notes-graph-canvas {
    width: 100%;
    height: 100%;
    display: block;
    cursor: grab;
}

#notes-graph-canvas:active {
    cursor: grabbing;
}

/* === TOOLTIP === */
.graph-tooltip {
    position: absolute;
    background: linear-gradient(135deg, rgba(20, 20, 40, 0.98), rgba(30, 30, 50, 0.98));
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 10px;
    padding: 12px 14px;
    max-width: 280px;
    pointer-events: none;
    z-index: 1150;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.6),
                inset 0 1px 1px rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    animation: tooltipFadeIn 0.2s ease;
    transform: translate(-50%, -120%);
}

@keyframes tooltipFadeIn {
    from {
        opacity: 0;
        transform: translate(-50%, -110%);
    }
    to {
        opacity: 1;
        transform: translate(-50%, -120%);
    }
}

/* === LOADING === */
.graph-loading {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background: rgba(10, 10, 18, 0.8);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    z-index: 100;
}

.graph-loading-spinner {
    width: 50px;
    height: 50px;
    border: 3px solid rgba(102, 126, 234, 0.2);
    border-top-color: #667eea;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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

.graph-loading-text {
    margin-top: 16px;
    color: #aaa;
    font-size: 14px;
}

/* === STATS === */
.graph-stats {
    position: absolute;
    bottom: 20px;
    left: 20px;
    display: flex;
    gap: 12px;
    padding: 12px 16px;
    background: linear-gradient(135deg, rgba(20, 20, 40, 0.85), rgba(30, 30, 50, 0.85));
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
}

.graph-stat {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    min-width: 60px;
}

.graph-stat-label {
    font-size: 11px;
    color: #888;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.graph-stat-value {
    font-size: 20px;
    font-weight: 700;
    color: #667eea;
}

/* === CATEGORY BADGES (for tooltips) === */
.category-badge {
    display: inline-block;
    padding: 4px 8px;
    border-radius: 6px;
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    background: rgba(255, 255, 255, 0.1);
    color: #fff;
}

.category-badge.technical {
    background: linear-gradient(135deg, #4488ff, #2266ff);
}

.category-badge.creative {
    background: linear-gradient(135deg, #aa44ff, #8822ff);
}

.category-badge.planning {
    background: linear-gradient(135deg, #ff8800, #ff6600);
}

.category-badge.research {
    background: linear-gradient(135deg, #22cc66, #11aa44);
}

.category-badge.personal {
    background: linear-gradient(135deg, #ff66aa, #ff4488);
}

.category-badge.reference {
    background: linear-gradient(135deg, #cccc44, #aaaa22);
}

.category-badge.meeting {
    background: linear-gradient(135deg, #44ccff, #22aaff);
}

.category-badge.idea {
    background: linear-gradient(135deg, #ff44ff, #ff22ff);
}

/* === RESPONSIVE === */
@media (max-width: 768px) {
    .notes-graph-modal {
        width: 100vw;
        height: 100vh;
        max-width: none;
        max-height: none;
        border-radius: 0;
    }

    .notes-graph-header {
        padding: 16px 20px;
    }

    .notes-graph-title {
        font-size: 18px;
    }

    .notes-graph-toolbar {
        padding: 10px 20px;
        gap: 6px;
    }

    .graph-btn {
        padding: 6px 10px;
        font-size: 12px;
    }

    .graph-btn span {
        display: none; /* Hide text labels on mobile, show only icons */
    }

    .graph-stats {
        bottom: 10px;
        left: 10px;
        padding: 8px 12px;
        gap: 8px;
    }

    .graph-stat {
        min-width: 50px;
    }

    .graph-stat-value {
        font-size: 16px;
    }

    .graph-tooltip {
        max-width: 200px;
        padding: 8px 10px;
        font-size: 11px;
    }
}

/* === DARK MODE COMPATIBILITY === */
[data-theme="light"] .notes-graph-modal-overlay {
    background: rgba(240, 240, 245, 0.9);
}

[data-theme="light"] .notes-graph-modal {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.98), rgba(250, 250, 255, 0.98));
    border-color: rgba(0, 0, 0, 0.1);
}

[data-theme="light"] .notes-graph-header {
    background: linear-gradient(180deg, rgba(0, 0, 0, 0.03), rgba(0, 0, 0, 0.01));
    border-bottom-color: rgba(0, 0, 0, 0.1);
}

[data-theme="light"] .notes-graph-title {
    color: #1a1a2e;
}

[data-theme="light"] .notes-graph-close {
    background: rgba(0, 0, 0, 0.05);
    border-color: rgba(0, 0, 0, 0.1);
    color: #666;
}

[data-theme="light"] .notes-graph-close:hover {
    background: rgba(0, 0, 0, 0.1);
    color: #000;
}

[data-theme="light"] .notes-graph-toolbar {
    background: rgba(0, 0, 0, 0.02);
    border-bottom-color: rgba(0, 0, 0, 0.08);
}

[data-theme="light"] .graph-btn {
    background: rgba(0, 0, 0, 0.04);
    border-color: rgba(0, 0, 0, 0.1);
    color: #444;
}

[data-theme="light"] .graph-btn:hover {
    background: rgba(102, 126, 234, 0.1);
    border-color: rgba(102, 126, 234, 0.3);
    color: #667eea;
}

[data-theme="light"] .notes-graph-container {
    background: #f8f9fa;
}

[data-theme="light"] .graph-tooltip {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.98), rgba(250, 250, 255, 0.98));
    border-color: rgba(0, 0, 0, 0.15);
    color: #1a1a2e;
}

[data-theme="light"] .graph-stats {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.95), rgba(250, 250, 255, 0.95));
    border-color: rgba(0, 0, 0, 0.1);
}

[data-theme="light"] .graph-stat-label {
    color: #666;
}

/* === ANIMATIONS === */
@keyframes scaleIn {
    from {
        transform: scale(0.9);
        opacity: 0;
    }
    to {
        transform: scale(1);
        opacity: 1;
    }
}

.graph-btn, .graph-stat {
    animation: scaleIn 0.3s cubic-bezier(0.4, 0, 0.2, 1) backwards;
}

.graph-btn:nth-child(1) { animation-delay: 0.05s; }
.graph-btn:nth-child(2) { animation-delay: 0.1s; }
.graph-btn:nth-child(3) { animation-delay: 0.15s; }
.graph-btn:nth-child(4) { animation-delay: 0.2s; }
.graph-btn:nth-child(5) { animation-delay: 0.25s; }
.graph-btn:nth-child(6) { animation-delay: 0.3s; }
.graph-btn:nth-child(7) { animation-delay: 0.35s; }

.graph-stat:nth-child(1) { animation-delay: 0.4s; }
.graph-stat:nth-child(2) { animation-delay: 0.45s; }
.graph-stat:nth-child(3) { animation-delay: 0.5s; }

/* === ACCESSIBILITY === */
@media (prefers-reduced-motion: reduce) {
    .notes-graph-modal-overlay,
    .notes-graph-modal,
    .graph-tooltip,
    .graph-btn,
    .graph-stat {
        animation: none;
    }

    .graph-btn:hover {
        transform: none;
    }

    .graph-loading-spinner {
        animation: none;
        border-top-color: transparent;
    }
}

/* === FOCUS STATES === */
.graph-btn:focus-visible,
.notes-graph-close:focus-visible {
    outline: 2px solid #667eea;
    outline-offset: 2px;
}

/* ── AI buttons in graph toolbar (ultra premium) ── */
.graph-btn-ai {
    background: linear-gradient(135deg, color-mix(in srgb, var(--accent) 15%, transparent), rgba(6,182,212,0.1)) !important;
    border: 1px solid color-mix(in srgb, var(--accent) 30%, transparent) !important;
    color: var(--accent-light) !important;
    font-weight: 600;
    position: relative;
    overflow: hidden;
}
.graph-btn-ai::before {
    content: '';
    position: absolute; inset: 0;
    background: linear-gradient(90deg, transparent, color-mix(in srgb, var(--accent) 10%, transparent), transparent);
    transform: translateX(-100%);
    transition: transform 0.5s;
}
.graph-btn-ai:hover::before { transform: translateX(100%); }
.graph-btn-ai:hover {
    background: linear-gradient(135deg, color-mix(in srgb, var(--accent) 30%, transparent), rgba(6,182,212,0.2)) !important;
    box-shadow: 0 4px 20px color-mix(in srgb, var(--accent) 30%, transparent) !important;
    transform: translateY(-2px);
}

/* === PREVIEW PANEL v7.1 (Premium) === */

#graph-note-preview {
    position: absolute; top: 0; right: 0; bottom: 0;
    width: 360px;
    background: linear-gradient(160deg, rgba(10, 14, 26, 0.98) 0%, rgba(15, 20, 40, 0.98) 100%);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    border-left: 1px solid rgba(163, 113, 247, 0.15);
    display: flex; flex-direction: column;
    z-index: 100;
    transform: translateX(100%);
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    overflow: hidden;
    box-shadow: -8px 0 30px rgba(0, 0, 0, 0.4);
}
#graph-note-preview.visible { transform: translateX(0); }

.gnp-header {
    padding: 18px 16px 14px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    background: linear-gradient(180deg, rgba(163, 113, 247, 0.04) 0%, transparent 100%);
}

.gnp-header-top {
    display: flex; align-items: flex-start; gap: 10px; margin-bottom: 10px;
}

.gnp-title {
    flex: 1; font-size: 17px; font-weight: 700; color: #e6edf3;
    line-height: 1.4; word-break: break-word;
}

.gnp-close {
    background: none; border: none; color: #4b5563;
    cursor: pointer; font-size: 16px; padding: 4px 6px; line-height: 1;
    flex-shrink: 0; transition: transform 0.15s ease-out, background 0.15s ease-out, border-color 0.15s ease-out, color 0.15s ease-out, opacity 0.15s ease-out;
    border-radius: 6px;
}
.gnp-close:hover { color: #e6edf3; background: rgba(255,255,255,0.08); }

.gnp-meta {
    display: flex; align-items: center; gap: 8px;
}

.gnp-badge {
    display: inline-flex; align-items: center; gap: 4px;
    font-size: 11px; font-weight: 700; padding: 3px 10px;
    border-radius: 20px; text-transform: uppercase;
    letter-spacing: 0.06em;
}

.gnp-meta-info {
    font-size: 11px; color: #4b5563;
}

.gnp-body {
    flex: 1; overflow-y: auto; padding: 16px;
    font-size: 14px;
}

.gnp-preview-text {
    color: #9ca3af; line-height: 1.75;
    border-left: 2px solid rgba(163, 113, 247, 0.25);
    padding-left: 14px;
    margin-bottom: 16px;
}

.gnp-empty {
    color: #374151; font-size: 13px; font-style: italic;
}

.gnp-tags {
    display: flex; flex-wrap: wrap; gap: 5px; margin-bottom: 16px;
}

.gnp-tag {
    padding: 3px 10px; border-radius: 6px;
    background: rgba(163, 113, 247, 0.08); color: #a371f7;
    border: 1px solid rgba(163, 113, 247, 0.15);
    font-size: 12px;
}

.gnp-section { margin-bottom: 16px; }

.gnp-section-title {
    font-size: 10px; font-weight: 700; color: #4b5563;
    text-transform: uppercase; letter-spacing: 0.1em;
    margin-bottom: 8px;
}

.gnp-conn-item {
    display: flex; align-items: center; gap: 8px;
    padding: 7px 10px; border-radius: 8px; margin-bottom: 3px;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.04);
    cursor: pointer; transition: transform 0.15s ease-out, background 0.15s ease-out, border-color 0.15s ease-out, color 0.15s ease-out, opacity 0.15s ease-out;
}
.gnp-conn-item:hover {
    background: rgba(163, 113, 247, 0.06);
    border-color: rgba(163, 113, 247, 0.15);
}

.gnp-conn-dot { font-size: 8px; flex-shrink: 0; }
.gnp-conn-name { flex: 1; font-size: 13px; color: #9ca3af; }
.gnp-conn-pct { font-size: 10px; color: #374151; }

/* Footer buttons */
.gnp-footer {
    padding: 12px 16px;
    border-top: 1px solid rgba(255, 255, 255, 0.06);
    display: flex; flex-direction: column; gap: 8px;
}

.gnp-btn {
    display: inline-flex; align-items: center; justify-content: center; gap: 6px;
    padding: 10px 16px;
    border-radius: 10px;
    font-weight: 600; font-size: 13px;
    cursor: pointer; transition: transform 0.2s ease-out, background 0.2s ease-out, border-color 0.2s ease-out, color 0.2s ease-out, opacity 0.2s ease-out;
    border: none;
    width: 100%;
}

.gnp-btn svg { flex-shrink: 0; }

.gnp-btn-edit {
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(163, 113, 247, 0.2);
    color: #c4b5fd;
}
.gnp-btn-edit:hover {
    background: rgba(163, 113, 247, 0.12);
    border-color: rgba(163, 113, 247, 0.4);
    color: #e9d5ff;
    transform: translateY(-1px);
}

.gnp-btn-open {
    background: linear-gradient(135deg, rgba(163, 113, 247, 0.15), rgba(88, 166, 255, 0.15));
    border: 1px solid rgba(163, 113, 247, 0.25);
    color: #c4b5fd;
}
.gnp-btn-open:hover {
    background: linear-gradient(135deg, rgba(163, 113, 247, 0.25), rgba(88, 166, 255, 0.25));
    color: #fff;
    transform: translateY(-1px);
    box-shadow: 0 4px 16px rgba(163, 113, 247, 0.25);
}

/* Edit mode */
.gnp-edit-input {
    width: 100%; padding: 8px 12px;
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(163, 113, 247, 0.3);
    border-radius: 8px; color: #e6edf3;
    font-size: 16px; font-weight: 700;
    font-family: Inter, sans-serif; outline: none;
    box-sizing: border-box;
    transition: border-color 0.2s;
}
.gnp-edit-input:focus {
    border-color: #a371f7;
    box-shadow: 0 0 0 3px rgba(163, 113, 247, 0.12);
}

.gnp-edit-textarea {
    width: 100%; min-height: 220px; padding: 12px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(163, 113, 247, 0.2);
    border-radius: 10px; color: #b0b8c8;
    font-size: 14px; font-family: Inter, sans-serif;
    line-height: 1.7; outline: none; resize: vertical;
    box-sizing: border-box;
    transition: border-color 0.2s;
}
.gnp-edit-textarea:focus {
    border-color: #a371f7;
    box-shadow: 0 0 0 3px rgba(163, 113, 247, 0.08);
    color: #e6edf3;
}

.gnp-edit-actions {
    display: flex; gap: 8px; margin-top: 12px;
}

.gnp-btn-save {
    flex: 1;
    background: linear-gradient(135deg, #22c55e, #16a34a);
    color: white;
    box-shadow: 0 4px 12px rgba(34, 197, 94, 0.25);
}
.gnp-btn-save:hover {
    transform: translateY(-1px);
    box-shadow: 0 6px 16px rgba(34, 197, 94, 0.35);
}

.gnp-btn-cancel {
    flex: 1;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: #6b7280;
}
.gnp-btn-cancel:hover {
    background: rgba(255, 255, 255, 0.08);
    color: #e6edf3;
}

/* Light theme */
[data-theme="light"] #graph-note-preview {
    background: linear-gradient(160deg, rgba(255,255,255,0.98), rgba(250,250,255,0.98));
    border-left-color: rgba(163, 113, 247, 0.2);
}
[data-theme="light"] .gnp-title { color: #1a1a2e; }
[data-theme="light"] .gnp-preview-text { color: #4b5563; }
[data-theme="light"] .gnp-edit-input { background: rgba(0,0,0,0.04); color: #1a1a2e; }
[data-theme="light"] .gnp-edit-textarea { background: rgba(0,0,0,0.02); color: #374151; }
[data-theme="light"] .gnp-btn-edit { background: rgba(163,113,247,0.06); color: #7c3aed; }
[data-theme="light"] .gnp-btn-open { background: rgba(163,113,247,0.08); color: #7c3aed; }

/* Mobile */
@media (max-width: 768px) {
    #graph-note-preview { width: 100%; }
}