/* ================================================
   Gantt — Sistema Noor
   ================================================ */

:root {
    --primary: #6366f1;
    --primary-hover: #4f46e5;
    --primary-glow: rgba(99,102,241,0.3);
    --accent: #ec4899;
    --danger: #ef4444;
    --danger-hover: #dc2626;
    --success: #10b981;
    --warning: #f59e0b;
    --bg-dark: #0f172a;
    --card-bg: rgba(30, 41, 59, 0.65);
    --text-main: #f8fafc;
    --text-muted: #94a3b8;
    --text-dim: #64748b;
    --border-color: rgba(255, 255, 255, 0.08);
    --border-hover: rgba(255, 255, 255, 0.15);
    --input-bg: rgba(15, 23, 42, 0.6);
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 20px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-dark);
    color: var(--text-main);
    min-height: 100vh;
    overflow-x: hidden;
}

/* ===== Animated Background ===== */
.background-container {
    position: fixed;
    width: 100vw; height: 100vh;
    z-index: 0; overflow: hidden;
    pointer-events: none;
}
.blob {
    position: absolute;
    filter: blur(100px);
    border-radius: 50%;
    animation: float 20s infinite alternate cubic-bezier(0.5,0,0.5,1);
    opacity: 0.3;
}
.blob-1 { width:500px;height:500px;background:#4f46e5;top:-150px;left:-100px;animation-duration:28s; }
.blob-2 { width:400px;height:400px;background:#ec4899;bottom:-100px;right:-100px;animation-duration:22s;animation-delay:-5s; }
.blob-3 { width:350px;height:350px;background:#06b6d4;top:50%;left:40%;animation-duration:25s;animation-delay:-10s; }
@keyframes float {
    0%{transform:translate(0,0) scale(1)}
    33%{transform:translate(80px,-60px) scale(1.15)}
    66%{transform:translate(-40px,80px) scale(0.95)}
    100%{transform:translate(60px,40px) scale(1.05)}
}

/* ===== Nav ===== */
.top-nav {
    position: sticky; top:0; z-index:100;
    display:flex; align-items:center; justify-content:space-between;
    padding:14px 30px;
    background:rgba(15,23,42,0.8);
    backdrop-filter:blur(16px);
    border-bottom:1px solid var(--border-color);
}
.nav-left { display:flex; align-items:center; gap:12px; }
.nav-logo { width:36px;height:36px;background:linear-gradient(135deg,var(--primary),var(--accent));border-radius:10px; }
.nav-left h2 { font-size:1.15rem;font-weight:700; }
.nav-accent { color:var(--accent);font-weight:400; }
.nav-right { display:flex;align-items:center;gap:20px; }
.nav-user { font-size:0.85rem;color:var(--text-muted);padding:6px 14px;background:rgba(255,255,255,0.05);border-radius:20px; }
.nav-link { display:flex;align-items:center;gap:6px;color:var(--text-muted);text-decoration:none;font-size:0.85rem;font-weight:500;padding:8px 14px;border-radius:var(--radius-sm);transition:all 0.25s; }
.nav-link:hover { background:rgba(255,255,255,0.06);color:var(--text-main); }

/* ===== Main Layout ===== */
.main-content { position:relative;z-index:1;padding:24px 30px;height:calc(100vh - 65px); }

.gantt-layout {
    display:grid;
    grid-template-columns: 280px 1fr;
    gap:20px;
    height:100%;
}

/* ===== Glass Card ===== */
.glass-card {
    background:var(--card-bg);
    backdrop-filter:blur(12px);
    border:1px solid var(--border-color);
    border-radius:var(--radius-xl);
    padding:20px;
    transition:border-color 0.3s;
}
.glass-card:hover { border-color:var(--border-hover); }

/* ===== Sidebar ===== */
.sidebar {
    display:flex;flex-direction:column;
    overflow:hidden;
}
.sidebar-header {
    display:flex;align-items:center;justify-content:space-between;
    margin-bottom:16px;
    padding-bottom:12px;
    border-bottom:1px solid var(--border-color);
}
.sidebar-header h3 { font-size:1rem;font-weight:700; }

.project-list { flex:1;overflow-y:auto;display:flex;flex-direction:column;gap:6px; }
.project-list::-webkit-scrollbar { width:4px; }
.project-list::-webkit-scrollbar-track { background:transparent; }
.project-list::-webkit-scrollbar-thumb { background:var(--border-color);border-radius:4px; }

.empty-sidebar { text-align:center;padding:30px 10px;color:var(--text-dim); }
.empty-sidebar p { margin-top:10px;font-size:0.85rem; }

.project-item {
    display:flex;align-items:center;justify-content:space-between;
    padding:12px 14px;
    border-radius:var(--radius-md);
    cursor:pointer;
    transition:all 0.25s;
    border:1px solid transparent;
    gap: 8px;
}
.project-item:hover { background:rgba(255,255,255,0.05);border-color:var(--border-color); }
.project-item.active { background:rgba(99,102,241,0.1);border-color:rgba(99,102,241,0.25); }

.project-item-info { flex:1;min-width:0; }
.project-item-name { font-size:0.88rem;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis; }
.project-item-dates { font-size:0.72rem;color:var(--text-dim);margin-top:2px; }

.project-item-actions { display:flex;gap:4px;opacity:0;transition:opacity 0.2s; }
.project-item:hover .project-item-actions { opacity:1; }

.proj-action-btn {
    width:26px;height:26px;border-radius:6px;border:none;
    background:transparent;color:var(--text-dim);cursor:pointer;
    display:flex;align-items:center;justify-content:center;
    transition:all 0.2s;
}
.proj-action-btn:hover { background:rgba(255,255,255,0.08);color:var(--text-main); }
.proj-action-btn.delete:hover { background:rgba(239,68,68,0.12);color:#f87171; }

/* ===== Gantt Main Area ===== */
.gantt-main { display:flex;flex-direction:column;gap:16px;overflow:hidden; }

/* Controls */
.gantt-controls {
    display:flex;align-items:center;justify-content:space-between;
    padding:16px 20px;
    flex-shrink:0;
}
.controls-left h2 { font-size:1.2rem;font-weight:700;margin-bottom:2px; }
.project-dates { font-size:0.8rem;color:var(--text-dim); }
.controls-right { display:flex;align-items:center;gap:12px; }

.zoom-controls {
    display:flex;
    border:1px solid var(--border-color);
    border-radius:var(--radius-sm);
    overflow:hidden;
}
.zoom-btn {
    padding:7px 14px;
    font-size:0.78rem;font-weight:600;font-family:inherit;
    background:transparent;color:var(--text-muted);
    border:none;cursor:pointer;
    transition:all 0.25s;
}
.zoom-btn:not(:last-child) { border-right:1px solid var(--border-color); }
.zoom-btn:hover { background:rgba(255,255,255,0.05);color:var(--text-main); }
.zoom-btn.active { background:rgba(99,102,241,0.15);color:#818cf8; }

/* ===== Gantt Chart ===== */
.gantt-chart-wrapper {
    flex:1;overflow:hidden;padding:0;position:relative;
}

.gantt-empty {
    text-align:center;padding:80px 20px;color:var(--text-dim);
}
.gantt-empty p { margin-top:16px;font-size:0.95rem; }

.gantt-chart {
    width:100%;height:100%;overflow:auto;position:relative;
}
.gantt-chart::-webkit-scrollbar { width:6px;height:6px; }
.gantt-chart::-webkit-scrollbar-track { background:transparent; }
.gantt-chart::-webkit-scrollbar-thumb { background:rgba(255,255,255,0.1);border-radius:4px; }

/* Timeline Header */
.gantt-timeline {
    display:flex;
    position:sticky;top:0;z-index:10;
    background:rgba(15,23,42,0.9);
    backdrop-filter:blur(8px);
    border-bottom:1px solid var(--border-color);
    min-height:50px;
}

.timeline-cell {
    flex-shrink:0;
    padding:8px 4px;
    text-align:center;
    border-right:1px solid rgba(255,255,255,0.04);
    display:flex;flex-direction:column;align-items:center;justify-content:center;
}
.timeline-cell .month-label {
    font-size:0.65rem;text-transform:uppercase;letter-spacing:0.5px;color:var(--text-dim);
}
.timeline-cell .day-label {
    font-size:0.78rem;font-weight:600;color:var(--text-muted);
}
.timeline-cell.is-today {
    background:rgba(99,102,241,0.1);
}
.timeline-cell.is-today .day-label {
    color:#818cf8;font-weight:700;
}
.timeline-cell.is-weekend {
    background:rgba(255,255,255,0.02);
}

/* Gantt Body */
.gantt-body {
    position:relative;
    min-height:200px;
}

.gantt-row {
    display:flex;
    align-items:center;
    border-bottom:1px solid rgba(255,255,255,0.03);
    min-height:52px;
    position:relative;
}

.gantt-row-label {
    width:200px;min-width:200px;
    padding:10px 16px;
    font-size:0.82rem;font-weight:600;
    display:flex;align-items:center;gap:10px;
    border-right:1px solid var(--border-color);
    cursor:pointer;
    transition:background 0.2s;
    position:sticky;left:0;z-index:5;
    background:rgba(30,41,59,0.9);
    backdrop-filter:blur(8px);
}
.gantt-row-label:hover { background:rgba(255,255,255,0.05); }

.gantt-row-label .label-text {
    flex:1;min-width:0;
    white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
}

.gantt-row-label .label-percent {
    font-size:0.72rem;font-weight:700;
    padding:2px 8px;border-radius:12px;
    flex-shrink:0;
}

.gantt-row-bars {
    flex:1;position:relative;height:52px;
}

/* Gantt Bar */
.gantt-bar {
    position:absolute;
    height:28px;top:12px;
    border-radius:8px;
    cursor:pointer;
    transition:transform 0.2s, box-shadow 0.2s;
    overflow:hidden;
    min-width:8px;
}

.gantt-bar:hover {
    transform:scaleY(1.15);
    box-shadow:0 4px 16px rgba(0,0,0,0.3);
    z-index:6;
}

.gantt-bar-bg {
    position:absolute;inset:0;
    opacity:0.25;
    border-radius:8px;
}

.gantt-bar-progress {
    position:absolute;
    left:0;top:0;bottom:0;
    border-radius:8px;
    transition:width 0.5s ease;
}

.gantt-bar-text {
    position:relative;z-index:1;
    padding:0 10px;
    font-size:0.7rem;font-weight:600;
    line-height:28px;
    white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
    color:white;
    text-shadow:0 1px 2px rgba(0,0,0,0.3);
}

/* Today Line */
.today-line {
    position:absolute;
    top:0;bottom:0;
    width:2px;
    background:var(--danger);
    z-index:8;
    pointer-events:none;
}

.today-line::before {
    content:'HOY';
    position:absolute;top:-22px;left:50%;transform:translateX(-50%);
    font-size:0.6rem;font-weight:700;color:var(--danger);
    letter-spacing:0.5px;
    background:rgba(239,68,68,0.15);
    padding:2px 6px;border-radius:4px;
    white-space:nowrap;
}

/* Grid columns (behind bars) */
.gantt-grid-col {
    position:absolute;top:0;bottom:0;
    border-right:1px solid rgba(255,255,255,0.03);
}
.gantt-grid-col.is-weekend { background:rgba(255,255,255,0.015); }

/* ===== Activity Summary ===== */
.activity-summary { flex-shrink:0; }

.summary-grid {
    display:grid;
    grid-template-columns:repeat(auto-fill, minmax(200px,1fr));
    gap:12px;
}

.summary-item {
    display:flex;align-items:center;gap:10px;
    padding:10px 14px;
    border-radius:var(--radius-md);
    background:rgba(255,255,255,0.03);
    border:1px solid var(--border-color);
    transition:all 0.25s;
    cursor:pointer;
}
.summary-item:hover { border-color:var(--border-hover);transform:translateY(-1px); }

.summary-color {
    width:12px;height:12px;border-radius:4px;flex-shrink:0;
}
.summary-name {
    flex:1;font-size:0.8rem;font-weight:600;
    white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
}
.summary-percent {
    font-size:0.78rem;font-weight:700;
}
.summary-bar-wrapper {
    width:50px;height:6px;border-radius:3px;
    background:rgba(255,255,255,0.1);overflow:hidden;flex-shrink:0;
}
.summary-bar-fill {
    height:100%;border-radius:3px;transition:width 0.5s;
}

/* ===== Buttons ===== */
.btn {
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    padding:12px 22px;border-radius:var(--radius-md);
    font-size:0.9rem;font-weight:600;border:none;cursor:pointer;
    transition:all 0.3s;font-family:inherit;white-space:nowrap;
}
.primary-btn { background:var(--primary);color:white;box-shadow:0 4px 15px var(--primary-glow); }
.primary-btn:hover { background:var(--primary-hover);transform:translateY(-2px); }
.outline-btn { background:transparent;color:var(--text-main);border:1px solid var(--border-color); }
.outline-btn:hover { background:rgba(255,255,255,0.05); }
.danger-btn { background:var(--danger);color:white; }
.danger-btn:hover { background:var(--danger-hover); }
.small-btn { padding:8px 14px;font-size:0.8rem;border-radius:var(--radius-sm); }
.accent-btn { background:rgba(99,102,241,0.12);color:#818cf8;border:1px solid rgba(99,102,241,0.2); }
.accent-btn:hover { background:rgba(99,102,241,0.2); }

/* ===== Modals ===== */
.modal-overlay {
    position:fixed;inset:0;
    background:rgba(0,0,0,0.6);
    backdrop-filter:blur(4px);
    z-index:200;
    display:none;
    align-items:center;justify-content:center;
    animation:fadeInOverlay 0.25s;
}
.modal-overlay.open { display:flex; }

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

.modal {
    width:90%;max-width:500px;
    padding:28px;
    animation:modalSlideIn 0.3s ease;
}

@keyframes modalSlideIn {
    from { opacity:0;transform:translateY(20px) scale(0.95); }
    to { opacity:1;transform:translateY(0) scale(1); }
}

.modal-header {
    display:flex;align-items:center;justify-content:space-between;
    margin-bottom:24px;
}
.modal-header h3 { font-size:1.15rem;font-weight:700; }

.modal-close {
    width:36px;height:36px;border-radius:var(--radius-sm);
    border:1px solid var(--border-color);background:transparent;
    color:var(--text-muted);cursor:pointer;
    display:flex;align-items:center;justify-content:center;
    transition:all 0.25s;
}
.modal-close:hover { background:rgba(255,255,255,0.05);color:var(--text-main); }

.modal-actions {
    display:flex;gap:10px;justify-content:flex-end;margin-top:20px;
}

/* ===== Form elements ===== */
.input-group { margin-bottom:16px; }
.input-group label {
    display:block;font-size:0.78rem;font-weight:600;
    margin-bottom:6px;color:var(--text-muted);
    text-transform:uppercase;letter-spacing:0.5px;
}
.input-group input,
.input-group textarea,
.input-group select {
    width:100%;padding:12px 14px;
    background:var(--input-bg);border:1px solid var(--border-color);
    border-radius:var(--radius-md);color:var(--text-main);
    font-size:0.9rem;font-family:inherit;
    transition:all 0.3s;outline:none;
}
.input-group textarea { resize:vertical;min-height:60px; }
.input-group input:focus,
.input-group textarea:focus {
    border-color:var(--primary);
    box-shadow:0 0 0 3px rgba(99,102,241,0.15);
}
.input-group input::placeholder,
.input-group textarea::placeholder { color:var(--text-dim); }

.form-row { display:grid;grid-template-columns:1fr 1fr;gap:14px; }

/* Color Picker */
.color-picker-row { display:flex;align-items:center;gap:10px; }
.color-input {
    width:44px !important;height:44px !important;padding:2px !important;
    border-radius:var(--radius-sm) !important;cursor:pointer;
    border:1px solid var(--border-color) !important;
    background:transparent !important;
}
.color-preview {
    width:20px;height:20px;border-radius:6px;
    box-shadow:0 2px 8px rgba(0,0,0,0.3);
}

/* Range Slider */
.range-input {
    -webkit-appearance:none;appearance:none;
    width:100% !important;height:8px !important;
    background:rgba(255,255,255,0.1) !important;
    border-radius:4px !important;border:none !important;
    outline:none !important;padding:0 !important;
    box-shadow:none !important;
}
.range-input::-webkit-slider-thumb {
    -webkit-appearance:none;
    width:20px;height:20px;
    background:var(--primary);border-radius:50%;
    cursor:pointer;
    box-shadow:0 2px 8px var(--primary-glow);
}
.range-input::-moz-range-thumb {
    width:20px;height:20px;
    background:var(--primary);border-radius:50%;
    cursor:pointer;border:none;
}

/* Messages */
.message {
    font-size:0.85rem;margin-top:10px;
    padding:12px 16px;border-radius:var(--radius-md);
    display:none;text-align:center;
}
.error-message { background:rgba(239,68,68,0.1);color:#fca5a5;border:1px solid rgba(239,68,68,0.2); }
.success-message { background:rgba(34,197,94,0.1);color:#86efac;border:1px solid rgba(34,197,94,0.2); }

/* ===== Responsive ===== */
@media (max-width: 900px) {
    .gantt-layout { grid-template-columns:1fr;height:auto; }
    .sidebar { max-height:200px; }
    .main-content { height:auto;padding:16px; }
}

@media (max-width: 640px) {
    .gantt-controls { flex-direction:column;gap:12px;align-items:stretch; }
    .controls-right { justify-content:space-between; }
    .form-row { grid-template-columns:1fr; }
    .top-nav { padding:12px 16px; }
    .nav-user { display:none; }
}