:root {
    --color-bg-primary: #0f172a;
    --color-bg-secondary: #1e293b;
    --color-bg-tertiary: #334155;
    --color-text-primary: #f1f5f9;
    --color-text-secondary: #cbd5e1;
    --color-text-muted: #94a3b8;
    --color-accent: #38bdf8;
    --color-accent-hover: #0ea5e9;
    --color-success: #22c55e;
    --color-warning: #f59e0b;
    --color-danger: #ef4444;
    --color-work: #3b82f6;
    --color-personal: #8b5cf6;
    --color-meeting: #ec4899;
    --color-idea: #f59e0b;
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.3);
    --shadow-md: 0 4px 6px rgba(0,0,0,0.4);
    --shadow-lg: 0 10px 15px rgba(0,0,0,0.5);
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', sans-serif;
    background: linear-gradient(135deg, var(--color-bg-primary) 0%, #0a1929 100%);
    color: var(--color-text-primary);
    overflow-x: hidden;
    min-height: 100vh;
}

.app-container {
    display: flex;
    height: 100vh;
    overflow: hidden;
}

/* SIDEBAR */
.sidebar {
    width: 280px;
    background: var(--color-bg-secondary);
    border-right: 1px solid rgba(255,255,255,0.1);
    display: flex;
    flex-direction: column;
    overflow-y: auto;
    transition: transform 0.3s ease;
}

.sidebar-header {
    padding: 20px;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 24px;
    font-weight: 700;
    color: var(--color-accent);
}

.logo-icon {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--color-accent), #0ea5e9);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
}

.nav-menu {
    padding: 20px 10px;
}

.nav-item {
    padding: 12px 16px;
    margin-bottom: 8px;
    border-radius: 8px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 12px;
    transition: all 0.2s;
    color: var(--color-text-secondary);
}

.nav-item:hover {
    background: var(--color-bg-tertiary);
    color: var(--color-text-primary);
}

.nav-item.active {
    background: var(--color-accent);
    color: white;
}

.nav-icon {
    font-size: 20px;
}

/* VOICE CONTROLS */
.voice-control {
    padding: 20px;
    border-top: 1px solid rgba(255,255,255,0.1);
    margin-top: auto;
}

.voice-btn {
    width: 100%;
    padding: 16px;
    background: linear-gradient(135deg, var(--color-danger), #dc2626);
    border: none;
    border-radius: 12px;
    color: white;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    transition: all 0.3s;
    box-shadow: var(--shadow-md);
}

.voice-btn.listening {
    background: linear-gradient(135deg, var(--color-success), #16a34a);
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); box-shadow: 0 0 0 0 rgba(34, 197, 94, 0.7); }
    50% { transform: scale(1.05); box-shadow: 0 0 0 10px rgba(34, 197, 94, 0); }
}

.voice-status {
    margin-top: 12px;
    padding: 10px;
    background: var(--color-bg-tertiary);
    border-radius: 8px;
    font-size: 12px;
    text-align: center;
    color: var(--color-text-muted);
}

.command-history {
    margin-top: 12px;
    padding: 10px;
    background: var(--color-bg-primary);
    border-radius: 8px;
    max-height: 150px;
    overflow-y: auto;
}

/* MAIN CONTENT */
.main-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.top-bar {
    background: var(--color-bg-secondary);
    padding: 16px 24px;
    border-bottom: 1px solid rgba(255,255,255,0.1);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.search-bar {
    display: flex;
    align-items: center;
    gap: 10px;
    background: var(--color-bg-tertiary);
    padding: 10px 16px;
    border-radius: 8px;
    flex: 1;
    max-width: 500px;
}

.search-bar input {
    border: none;
    background: transparent;
    color: var(--color-text-primary);
    outline: none;
    flex: 1;
    font-size: 14px;
}

.user-menu {
    display: flex;
    align-items: center;
    gap: 16px;
}

.notification-badge {
    position: relative;
    cursor: pointer;
    font-size: 20px;
    color: var(--color-text-secondary);
}

.notification-badge::after {
    content: attr(data-count);
    position: absolute;
    top: -8px;
    right: -8px;
    background: var(--color-danger);
    color: white;
    font-size: 10px;
    padding: 2px 6px;
    border-radius: 10px;
    font-weight: 600;
}

/* CONTENT AREA */
.content-area {
    flex: 1;
    overflow-y: auto;
    padding: 24px;
}

.view-section {
    animation: fadeIn 0.3s;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.view-controls {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
    flex-wrap: wrap;
    gap: 16px;
}

.view-controls h1 {
    font-size: 28px;
    font-weight: 700;
}

.date-navigation {
    display: flex;
    align-items: center;
    gap: 16px;
}

.nav-btn {
    padding: 8px 16px;
    background: var(--color-bg-secondary);
    border: none;
    border-radius: 6px;
    color: var(--color-text-secondary);
    cursor: pointer;
    transition: all 0.2s;
}

.nav-btn:hover {
    background: var(--color-bg-tertiary);
    color: var(--color-text-primary);
}

.current-date {
    font-size: 24px;
    font-weight: 700;
    color: var(--color-text-primary);
    min-width: 250px;
    text-align: center;
}

.view-toggle {
    display: flex;
    gap: 8px;
    background: var(--color-bg-secondary);
    padding: 4px;
    border-radius: 8px;
}

.view-btn {
    padding: 8px 16px;
    background: transparent;
    border: none;
    border-radius: 6px;
    color: var(--color-text-secondary);
    cursor: pointer;
    transition: all 0.2s;
    font-size: 14px;
    font-weight: 500;
}

.view-btn.active {
    background: var(--color-accent);
    color: white;
}

.action-btn {
    padding: 10px 20px;
    background: var(--color-accent);
    border: none;
    border-radius: 8px;
    color: white;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    gap: 8px;
}

.action-btn:hover {
    background: var(--color-accent-hover);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

/* ANALYTICS GRID */
.analytics-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-bottom: 24px;
}

.stat-card {
    background: var(--color-bg-secondary);
    border-radius: 12px;
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 12px;
    box-shadow: var(--shadow-md);
    transition: all 0.2s;
}

.stat-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.stat-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.stat-icon {
    width: 48px;
    height: 48px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    background: linear-gradient(135deg, var(--color-accent), #0ea5e9);
}

.stat-value {
    font-size: 32px;
    font-weight: 700;
}

.stat-label {
    color: var(--color-text-muted);
    font-size: 14px;
}

/* DASHBOARD GRID */
.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 20px;
}

.card-lg {
    background: var(--color-bg-secondary);
    border-radius: 12px;
    padding: 20px;
    box-shadow: var(--shadow-md);
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
}

.card-header h3 {
    font-size: 18px;
    font-weight: 600;
}

.btn-sm {
    padding: 8px 16px;
    background: var(--color-accent);
    border: none;
    border-radius: 6px;
    color: white;
    font-size: 14px;
    cursor: pointer;
    transition: all 0.2s;
}

.btn-sm:hover {
    background: var(--color-accent-hover);
}

.list-container {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.list-item {
    padding: 12px;
    background: var(--color-bg-primary);
    border-radius: 8px;
    border-left: 4px solid var(--color-accent);
    cursor: pointer;
    transition: all 0.2s;
}

.list-item:hover {
    transform: translateX(4px);
    box-shadow: var(--shadow-md);
}

.list-item-title {
    font-weight: 600;
    margin-bottom: 4px;
}

.list-item-desc {
    font-size: 13px;
    color: var(--color-text-muted);
}

/* CALENDAR GRID */
.calendar-grid {
    background: var(--color-bg-secondary);
    border-radius: 12px;
    padding: 20px;
    box-shadow: var(--shadow-lg);
}

.calendar-header {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 8px;
    margin-bottom: 16px;
}

.day-name {
    text-align: center;
    font-weight: 600;
    color: var(--color-text-muted);
    padding: 12px;
    font-size: 14px;
}

.calendar-body {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 8px;
}

.calendar-day {
    aspect-ratio: 1;
    background: var(--color-bg-primary);
    border-radius: 8px;
    padding: 8px;
    cursor: pointer;
    transition: all 0.2s;
    position: relative;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    min-height: 100px;
}

.calendar-day:hover {
    background: var(--color-bg-tertiary);
    transform: scale(1.02);
}

.calendar-day.other-month {
    opacity: 0.3;
}

.calendar-day.today {
    border: 2px solid var(--color-accent);
    box-shadow: 0 0 0 4px rgba(56, 189, 248, 0.2);
}

.calendar-day.has-events {
    border-left: 4px solid var(--color-accent);
}

.day-number {
    font-weight: 600;
    margin-bottom: 4px;
    font-size: 14px;
}

.day-events {
    flex: 1;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.event-dot {
    width: 100%;
    padding: 2px 4px;
    border-radius: 3px;
    font-size: 10px;
    color: white;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.event-work { background: var(--color-work); }
.event-personal { background: var(--color-personal); }
.event-meeting { background: var(--color-meeting); }
.event-idea { background: var(--color-idea); }

/* PROJECTS GRID */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 20px;
}

.project-card {
    background: var(--color-bg-secondary);
    border-radius: 12px;
    padding: 20px;
    box-shadow: var(--shadow-md);
    transition: all 0.2s;
    cursor: pointer;
}

.project-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.project-header {
    display: flex;
    justify-content: space-between;
    align-items: start;
    margin-bottom: 12px;
}

.project-title {
    font-size: 18px;
    font-weight: 600;
}

.project-status {
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
}

.project-status.progreso { background: var(--color-warning); color: white; }
.project-status.ok { background: var(--color-success); color: white; }
.project-status.problemas { background: var(--color-danger); color: white; }
.project-status.espera { background: var(--color-work); color: white; }
.project-status.pausado { background: var(--color-text-muted); color: white; }
.project-status.revision { background: var(--color-personal); color: white; }
.project-status.riesgo { background: var(--color-idea); color: white; }
.project-status.no-iniciado { background: var(--color-bg-tertiary); color: var(--color-text-secondary); }

.project-description {
    color: var(--color-text-secondary);
    font-size: 14px;
    margin-bottom: 12px;
    line-height: 1.5;
}

.project-tags {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.project-tag {
    padding: 4px 8px;
    background: var(--color-bg-tertiary);
    border-radius: 4px;
    font-size: 12px;
    color: var(--color-text-muted);
}

/* IDEAS CONTAINER */
.ideas-container {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 20px;
}

.idea-card {
    background: var(--color-bg-secondary);
    border-radius: 12px;
    padding: 20px;
    box-shadow: var(--shadow-md);
    transition: all 0.2s;
    border-left: 4px solid var(--color-idea);
}

.idea-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.idea-header {
    display: flex;
    justify-content: space-between;
    align-items: start;
    margin-bottom: 12px;
}

.idea-title {
    font-size: 16px;
    font-weight: 600;
}

.idea-priority {
    font-size: 14px;
}

.idea-description {
    color: var(--color-text-secondary);
    font-size: 14px;
    margin-bottom: 12px;
    line-height: 1.5;
}

.idea-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 12px;
    color: var(--color-text-muted);
}

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

/* TASKS GRID */
.tasks-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.task-column {
    background: var(--color-bg-secondary);
    border-radius: 12px;
    padding: 20px;
    min-height: 400px;
}

.task-column-title {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 16px;
    padding-bottom: 12px;
    border-bottom: 2px solid var(--color-bg-tertiary);
}

.task-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.task-item {
    padding: 12px;
    background: var(--color-bg-primary);
    border-radius: 8px;
    border-left: 4px solid;
    cursor: pointer;
    transition: all 0.2s;
}

.task-item:hover {
    transform: translateX(4px);
    box-shadow: var(--shadow-md);
}

.task-item.urgent { border-left-color: var(--color-danger); }
.task-item.upcoming { border-left-color: var(--color-warning); }
.task-item.completed { border-left-color: var(--color-success); opacity: 0.7; }

.task-item-title {
    font-weight: 600;
    margin-bottom: 4px;
}

.task-item.completed .task-item-title {
    text-decoration: line-through;
}

.task-item-desc {
    font-size: 13px;
    color: var(--color-text-muted);
}

/* CHART CONTAINER */
.chart-container {
    background: var(--color-bg-secondary);
    border-radius: 12px;
    padding: 20px;
    margin-bottom: 24px;
    box-shadow: var(--shadow-md);
}

.chart-title {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 16px;
}

.chart-bars {
    display: flex;
    align-items: flex-end;
    gap: 12px;
    height: 200px;
    margin-top: 20px;
}

.chart-bar {
    flex: 1;
    background: linear-gradient(to top, var(--color-accent), #0ea5e9);
    border-radius: 6px 6px 0 0;
    position: relative;
    transition: all 0.3s;
    cursor: pointer;
    min-height: 20px;
}

.chart-bar:hover {
    opacity: 0.8;
}

.chart-bar-label {
    position: absolute;
    bottom: -25px;
    left: 50%;
    transform: translateX(-50%);
    font-size: 12px;
    color: var(--color-text-muted);
    white-space: nowrap;
}

.chart-bar-value {
    position: absolute;
    top: -25px;
    left: 50%;
    transform: translateX(-50%);
    font-size: 12px;
    font-weight: 600;
    color: var(--color-text-primary);
}

/* RISKS CONTAINER */
.risks-container {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 20px;
}

.risk-card {
    background: var(--color-bg-secondary);
    border-radius: 12px;
    padding: 20px;
    box-shadow: var(--shadow-md);
    border-left: 4px solid var(--color-danger);
}

.risk-header {
    display: flex;
    justify-content: space-between;
    align-items: start;
    margin-bottom: 12px;
}

.risk-title {
    font-size: 16px;
    font-weight: 600;
}

.risk-severity {
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
    background: var(--color-danger);
    color: white;
}

.risk-description {
    color: var(--color-text-secondary);
    font-size: 14px;
    margin-bottom: 12px;
}

.risk-meta {
    font-size: 12px;
    color: var(--color-text-muted);
}

/* SETTINGS CONTAINER */
.settings-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 20px;
}

.settings-card {
    background: var(--color-bg-secondary);
    border-radius: 12px;
    padding: 24px;
    box-shadow: var(--shadow-md);
}

.settings-card h3 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 20px;
}

.form-group {
    margin-bottom: 20px;
}

.form-label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: var(--color-text-secondary);
}

.form-input,
.form-select,
.form-textarea {
    width: 100%;
    padding: 12px;
    background: var(--color-bg-primary);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 8px;
    color: var(--color-text-primary);
    font-size: 14px;
    transition: all 0.2s;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px rgba(56, 189, 248, 0.2);
}

.form-textarea {
    resize: vertical;
    min-height: 100px;
}

.reina-layout {
    align-items: start;
    grid-template-columns: 320px minmax(0, 1fr) minmax(320px, 420px);
}

.reina-toolbar {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    margin-bottom: 16px;
}

.reina-session-bar {
    margin-bottom: 16px;
    padding: 10px 12px;
    border: 1px solid var(--color-border);
    border-radius: 10px;
    background: var(--color-bg-tertiary);
    color: var(--color-text-secondary);
    font-size: 13px;
}

#reinaKbIndicator,
#reinaKbActiveInfo {
    border-left: 3px solid var(--color-accent);
    background: rgba(56, 189, 248, 0.08);
}

.reina-chat-log {
    min-height: 360px;
    max-height: 520px;
    overflow-y: auto;
    margin-bottom: 16px;
}

.reina-mini-list {
    max-height: 240px;
    overflow-y: auto;
}

.reina-mini-entry {
    cursor: pointer;
}

.reina-mini-entry:hover {
    border-left-color: var(--color-accent);
}

.reina-mini-meta {
    margin-top: 6px;
    font-size: 12px;
    color: var(--color-text-muted);
}

.reina-studio-sidebar {
    background: linear-gradient(180deg, rgba(15, 23, 42, 0.96), rgba(30, 41, 59, 0.92));
}

.reina-studio-section {
    margin-bottom: 18px;
}

.reina-studio-title {
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    color: var(--color-text-muted);
    margin-bottom: 10px;
}

.reina-studio-stack {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.reina-studio-btn {
    justify-content: flex-start;
}

.reina-mode-pills {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.reina-mode-pill {
    padding: 6px 10px;
    border-radius: 999px;
    border: 1px solid var(--color-bg-tertiary);
    background: var(--color-bg-secondary);
    color: var(--color-text-secondary);
    cursor: pointer;
    font-size: 12px;
    font-weight: 600;
}

.reina-mode-pill.active {
    border-color: var(--color-accent);
    background: rgba(56, 189, 248, 0.16);
    color: var(--color-accent);
}

.active-reina-item {
    border-left: 3px solid var(--color-accent);
    background: rgba(56, 189, 248, 0.08);
}

.reina-separator {
    border: none;
    border-top: 1px solid var(--color-border);
    margin: 20px 0;
}

.reina-msg.user {
    border-left-color: var(--color-accent);
}

.reina-msg.assistant {
    border-left-color: var(--color-success);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.form-range {
    width: 100%;
    height: 8px;
    border-radius: 4px;
    background: var(--color-bg-tertiary);
    outline: none;
    -webkit-appearance: none;
}

.form-range::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--color-accent);
    cursor: pointer;
}

.category-pills {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.category-pill {
    padding: 8px 16px;
    border-radius: 20px;
    border: 2px solid transparent;
    cursor: pointer;
    transition: all 0.2s;
    font-size: 14px;
    font-weight: 500;
    background: var(--color-bg-primary);
    color: var(--color-text-secondary);
}

.category-pill[data-category="work"] { border-color: var(--color-work); }
.category-pill[data-category="personal"] { border-color: var(--color-personal); }
.category-pill[data-category="meeting"] { border-color: var(--color-meeting); }
.category-pill[data-category="idea"] { border-color: var(--color-idea); }

.category-pill.active {
    background: currentColor;
    color: white !important;
}

/* MODAL */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.7);
    backdrop-filter: blur(4px);
    z-index: 1000;
    align-items: center;
    justify-content: center;
    animation: fadeIn 0.2s;
}

.modal.active {
    display: flex;
}

.modal-content {
    background: var(--color-bg-secondary);
    border-radius: 16px;
    padding: 32px;
    max-width: 600px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: var(--shadow-lg);
    animation: slideUp 0.3s;
}

@keyframes slideUp {
    from { transform: translateY(50px); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
}

.modal-title {
    font-size: 24px;
    font-weight: 700;
}

.close-btn {
    background: none;
    border: none;
    color: var(--color-text-secondary);
    cursor: pointer;
    font-size: 24px;
    padding: 4px;
    transition: all 0.2s;
}

.close-btn:hover {
    color: var(--color-text-primary);
    transform: rotate(90deg);
}

.btn {
    padding: 12px 24px;
    border: none;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
}

.btn-primary {
    background: var(--color-accent);
    color: white;
}

.btn-primary:hover {
    background: var(--color-accent-hover);
    transform: translateY(-2px);
}

.btn-secondary {
    background: var(--color-bg-tertiary);
    color: var(--color-text-secondary);
}

.btn-secondary:hover {
    background: var(--color-bg-primary);
    color: var(--color-text-primary);
}

.form-actions {
    display: flex;
    gap: 12px;
    justify-content: flex-end;
    margin-top: 24px;
}

/* TOAST NOTIFICATION */
.toast {
    position: fixed;
    bottom: 24px;
    right: 24px;
    background: var(--color-bg-secondary);
    padding: 16px 24px;
    border-radius: 12px;
    box-shadow: var(--shadow-lg);
    display: flex;
    align-items: center;
    gap: 12px;
    z-index: 2000;
    animation: slideInRight 0.3s;
    max-width: 400px;
}

@keyframes slideInRight {
    from { transform: translateX(100%); }
    to { transform: translateX(0); }
}

.toast-icon {
    font-size: 24px;
}

.toast-content {
    flex: 1;
}

.toast-title {
    font-weight: 600;
    margin-bottom: 4px;
}

.toast-message {
    font-size: 14px;
    color: var(--color-text-muted);
}

.toast.success { border-left: 4px solid var(--color-success); }
.toast.warning { border-left: 4px solid var(--color-warning); }
.toast.error { border-left: 4px solid var(--color-danger); }
.toast.info { border-left: 4px solid var(--color-accent); }

/* LOADING ANIMATION */
.loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid rgba(255,255,255,0.3);
    border-radius: 50%;
    border-top-color: var(--color-accent);
    animation: spin 1s linear infinite;
}

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

/* RESPONSIVE */
@media (max-width: 1024px) {
    .tasks-grid {
        grid-template-columns: 1fr;
    }
    
    .dashboard-grid {
        grid-template-columns: 1fr;
    }

    .reina-layout {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .sidebar {
        position: fixed;
        left: -280px;
        z-index: 100;
        height: 100vh;
    }

    .sidebar.active {
        transform: translateX(280px);
    }

    .calendar-body {
        gap: 4px;
    }

    .calendar-day {
        padding: 4px;
        min-height: 60px;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .view-controls {
        flex-direction: column;
    }

    .current-date {
        font-size: 18px;
    }
    
    .analytics-grid {
        grid-template-columns: 1fr;
    }
}

/* ======= CHAT VIEW (Gemini-style) ======= */
.nav-item-chat {
    background: linear-gradient(135deg, var(--color-accent) 0%, #6366f1 100%) !important;
    border-radius: 10px !important;
    margin-bottom: 6px;
    font-weight: 700;
}

.chat-fullscreen {
    display: flex;
    flex-direction: column;
    height: calc(100vh - 70px);
    position: relative;
}

.chat-header-bar {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 16px;
    border-bottom: 1px solid var(--color-bg-tertiary);
}

.chat-select {
    background: var(--color-bg-tertiary);
    color: var(--color-text-primary);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 8px;
    padding: 6px 10px;
    font-size: 13px;
    cursor: pointer;
}

.chat-select-small {
    background: var(--color-bg-tertiary);
    color: var(--color-text-secondary);
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: 8px;
    padding: 4px 8px;
    font-size: 12px;
    cursor: pointer;
}

.chat-session-info {
    flex: 1;
    font-size: 12px;
    color: var(--color-text-muted);
    text-align: center;
}

.chat-header-actions {
    display: flex;
    gap: 6px;
}

.chat-icon-btn {
    width: 34px;
    height: 34px;
    border-radius: 50%;
    border: 1px solid rgba(255,255,255,0.12);
    background: var(--color-bg-tertiary);
    color: var(--color-text-secondary);
    cursor: pointer;
    font-size: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.15s;
}
.chat-icon-btn:hover { background: rgba(255,255,255,0.1); }

.chat-messages {
    flex: 1;
    overflow-y: auto;
    padding: 16px;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.chat-welcome {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    flex: 1;
    color: var(--color-text-muted);
    text-align: center;
    padding: 40px;
}

.chat-welcome-title {
    font-size: 2.5rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--color-accent), #a78bfa);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 8px;
    letter-spacing: -1px;
}

.chat-welcome p {
    font-size: 1.1rem;
    color: var(--color-text-muted);
}

.chat-bubble {
    max-width: 80%;
    padding: 12px 16px;
    border-radius: 16px;
    font-size: 14px;
    line-height: 1.5;
    white-space: pre-wrap;
    word-break: break-word;
}

.chat-bubble-user {
    align-self: flex-end;
    background: linear-gradient(135deg, #3b82f6, #6366f1);
    color: #fff;
    border-bottom-right-radius: 4px;
}

.chat-bubble-assistant {
    align-self: flex-start;
    background: var(--color-bg-tertiary);
    color: var(--color-text-primary);
    border-bottom-left-radius: 4px;
}

.chat-bubble-meta {
    font-size: 11px;
    opacity: 0.6;
    margin-top: 4px;
}

.chat-bubble-attachments {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
    margin-bottom: 6px;
}
.chat-bubble-attachments img {
    max-width: 160px;
    max-height: 100px;
    border-radius: 8px;
    object-fit: cover;
}

.chat-typing {
    display: flex;
    gap: 5px;
    padding: 8px 0;
}
.chat-typing-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--color-text-muted);
    animation: chatPulse 1s infinite;
}
.chat-typing-dot:nth-child(2) { animation-delay: 0.2s; }
.chat-typing-dot:nth-child(3) { animation-delay: 0.4s; }
@keyframes chatPulse {
    0%,100% { opacity: 1; }
    50% { opacity: 0.3; }
}

/* Sessions panel */
.chat-sessions-panel {
    position: absolute;
    top: 52px;
    right: 12px;
    width: 260px;
    max-height: 350px;
    overflow-y: auto;
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-bg-tertiary);
    border-radius: 12px;
    padding: 10px;
    z-index: 20;
    box-shadow: var(--shadow-lg);
}
.chat-session-item {
    padding: 8px 10px;
    border-radius: 8px;
    cursor: pointer;
    margin-bottom: 4px;
    font-size: 13px;
    color: var(--color-text-secondary);
    border: 1px solid transparent;
    transition: background 0.15s;
}
.chat-session-item:hover { background: var(--color-bg-tertiary); }
.chat-session-item.active {
    border-color: var(--color-accent);
    background: rgba(56,189,248,0.1);
    color: var(--color-text-primary);
}
.chat-session-item .session-date {
    font-size: 11px;
    color: var(--color-text-muted);
    margin-top: 2px;
}

/* Attachments bar */
.chat-attachments-bar {
    display: flex;
    gap: 8px;
    padding: 6px 16px;
    flex-wrap: wrap;
}
.chat-attach-preview {
    display: flex;
    align-items: center;
    gap: 6px;
    background: var(--color-bg-tertiary);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 8px;
    padding: 4px 10px;
    font-size: 12px;
    color: var(--color-text-secondary);
}
.chat-attach-preview img {
    width: 24px;
    height: 24px;
    border-radius: 4px;
    object-fit: cover;
}
.chat-attach-remove {
    background: none;
    border: none;
    color: var(--color-text-muted);
    cursor: pointer;
    font-weight: 700;
    font-size: 14px;
}

/* Input area */
.chat-input-area {
    padding: 12px 16px 16px;
    border-top: 1px solid var(--color-bg-tertiary);
}

.chat-input-row {
    display: flex;
    align-items: flex-end;
    gap: 8px;
    background: var(--color-bg-tertiary);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 24px;
    padding: 6px 8px 6px 12px;
}

.chat-action-btn {
    width: 34px;
    height: 34px;
    border-radius: 50%;
    border: 1px solid rgba(255,255,255,0.15);
    background: transparent;
    color: var(--color-text-secondary);
    cursor: pointer;
    font-size: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    transition: background 0.15s;
}
.chat-action-btn:hover { background: rgba(255,255,255,0.08); }

.chat-textarea {
    flex: 1;
    background: transparent;
    border: none;
    outline: none;
    color: var(--color-text-primary);
    font-size: 14px;
    resize: none;
    max-height: 120px;
    line-height: 1.4;
    padding: 7px 0;
    font-family: inherit;
}
.chat-textarea::placeholder { color: var(--color-text-muted); }

.chat-voice-btn {
    width: 38px;
    height: 38px;
    border-radius: 50%;
    border: none;
    background: var(--color-accent);
    color: #fff;
    cursor: pointer;
    font-size: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    transition: all 0.2s;
}
.chat-voice-btn:hover { background: var(--color-accent-hover); }
.chat-voice-btn.listening {
    background: var(--color-danger);
    animation: voicePulse 1.5s infinite;
}
@keyframes voicePulse {
    0%,100% { box-shadow: 0 0 0 0 rgba(239,68,68,0.4); }
    50% { box-shadow: 0 0 0 10px rgba(239,68,68,0); }
}

/* Tools row (+ menu) */
.chat-tools-row {
    display: none;
    flex-wrap: wrap;
    gap: 4px;
    padding: 8px 0 0;
}
.chat-tools-row.open { display: flex; }

.chat-tool-item {
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-bg-tertiary);
    border-radius: 10px;
    padding: 8px 14px;
    font-size: 12px;
    color: var(--color-text-secondary);
    cursor: pointer;
    text-align: left;
    transition: background 0.15s;
}
.chat-tool-item:hover { background: var(--color-bg-tertiary); }
.chat-tool-sub {
    font-size: 10px;
    color: var(--color-text-muted);
}

/* Mobile */
@media (max-width: 768px) {
    .chat-bubble { max-width: 92%; }
    .chat-welcome-title { font-size: 1.8rem; }
    .chat-sessions-panel { width: calc(100vw - 80px); right: 8px; }
}