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

:root {
    --bg: #0a0c10;
    --surface: #12151c;
    --surface-hover: #181b24;
    --border: #1e2230;
    --text: #e8eaf0;
    --text-muted: #8b90a0;
    --pulse-red: #e84057;
    --pulse-glow: #ff2d4e;
    --accent-blue: #4a7cff;
    --accent-teal: #38d9a9;
    --warning: #f0a030;
    --success: #38d9a9;
    --danger: #e84057;
    --radius: 12px;
}

body {
    font-family: 'DM Sans', sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
    display: flex;
    min-height: 100vh;
}

h1, h2, h3, h4 { font-family: 'Space Grotesk', sans-serif; }

/* Sidebar */
.sidebar {
    width: 260px;
    background: var(--surface);
    border-right: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    padding: 24px 16px;
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    z-index: 50;
}

.sidebar-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 700;
    font-size: 1.2rem;
    color: var(--text);
    text-decoration: none;
    padding: 0 8px 24px;
    border-bottom: 1px solid var(--border);
    margin-bottom: 24px;
}

.logo-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--pulse-red);
    box-shadow: 0 0 12px var(--pulse-glow);
    animation: pulse 1.8s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); opacity: 0.6; }
    50% { transform: scale(1.15); opacity: 1; }
}

.sidebar-nav {
    display: flex;
    flex-direction: column;
    gap: 4px;
    flex: 1;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 14px;
    border-radius: 10px;
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.95rem;
    font-weight: 500;
    transition: all 0.15s;
    position: relative;
}

.nav-item:hover {
    background: var(--surface-hover);
    color: var(--text);
}

.nav-item.active {
    background: rgba(232, 64, 87, 0.1);
    color: var(--pulse-red);
}

.nav-item.active svg {
    stroke: var(--pulse-red);
}

.alert-badge {
    position: absolute;
    right: 12px;
    background: var(--pulse-red);
    color: #fff;
    font-size: 0.7rem;
    font-weight: 700;
    padding: 2px 7px;
    border-radius: 10px;
    min-width: 20px;
    text-align: center;
}

.sidebar-patient {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px 8px;
    border-top: 1px solid var(--border);
    margin-top: auto;
}

.patient-avatar {
    width: 40px;
    height: 40px;
    border-radius: 10px;
    background: linear-gradient(135deg, var(--pulse-red), var(--accent-blue));
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 700;
    font-size: 0.85rem;
    color: #fff;
    flex-shrink: 0;
}

.patient-name {
    font-weight: 600;
    font-size: 0.9rem;
}

.patient-meta {
    font-size: 0.8rem;
    color: var(--text-muted);
}

/* Main Content */
.main-content {
    flex: 1;
    margin-left: 260px;
    padding: 32px 40px;
    min-height: 100vh;
}

.page-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 32px;
}

.page-header h1 {
    font-size: 1.8rem;
    font-weight: 700;
    letter-spacing: -0.02em;
}

.page-subtitle {
    color: var(--text-muted);
    font-size: 0.95rem;
    margin-top: 4px;
}

/* Buttons */
.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    background: var(--pulse-red);
    color: #fff;
    border: none;
    border-radius: 10px;
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 600;
    font-size: 0.95rem;
    cursor: pointer;
    text-decoration: none;
    transition: all 0.2s;
    box-shadow: 0 2px 12px rgba(232, 64, 87, 0.25);
}

.btn-primary:hover {
    background: var(--pulse-glow);
    box-shadow: 0 4px 20px rgba(232, 64, 87, 0.4);
    transform: translateY(-1px);
}

.btn-secondary {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    background: transparent;
    color: var(--text-muted);
    border: 1px solid var(--border);
    border-radius: 10px;
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 500;
    font-size: 0.95rem;
    cursor: pointer;
    text-decoration: none;
    transition: all 0.2s;
}

.btn-secondary:hover {
    border-color: var(--text-muted);
    color: var(--text);
}

.btn-submit {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 32px;
    background: var(--accent-teal);
    color: #0a0c10;
    border: none;
    border-radius: 10px;
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 700;
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.2s;
    box-shadow: 0 2px 12px rgba(56, 217, 169, 0.25);
}

.btn-submit:hover {
    box-shadow: 0 4px 20px rgba(56, 217, 169, 0.4);
    transform: translateY(-1px);
}

.btn-submit:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
}

/* Stats Grid */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
    margin-bottom: 24px;
}

.stat-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 24px;
}

.stat-card .stat-label {
    font-size: 0.8rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 8px;
}

.stat-card .stat-value {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 2rem;
    font-weight: 700;
    color: var(--text);
    line-height: 1.2;
}

.stat-card .stat-trend {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-top: 4px;
}

/* Charts */
.charts-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin-bottom: 24px;
}

.chart-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 24px;
}

.chart-card h3 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 20px;
    color: var(--text);
}

.chart-container {
    height: 180px;
    display: flex;
    align-items: flex-end;
    gap: 6px;
    padding-top: 8px;
}

.chart-bar-wrapper {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
    height: 100%;
    justify-content: flex-end;
}

.chart-bar {
    width: 100%;
    border-radius: 4px 4px 0 0;
    min-height: 4px;
    transition: height 0.5s ease;
    position: relative;
}

.chart-bar:hover {
    opacity: 0.85;
}

.chart-bar-label {
    font-size: 0.65rem;
    color: var(--text-muted);
    white-space: nowrap;
}

.chart-bar-value {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 0.7rem;
    font-weight: 600;
    color: var(--text);
}

/* Exercise Plan */
.plan-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 28px;
    margin-bottom: 24px;
}

.plan-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    margin-bottom: 20px;
}

.plan-header h3 {
    font-size: 1.15rem;
    font-weight: 700;
}

.plan-desc {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-top: 4px;
}

.plan-badge {
    padding: 4px 12px;
    border-radius: 6px;
    font-size: 0.75rem;
    font-weight: 600;
    font-family: 'Space Grotesk', sans-serif;
    text-transform: uppercase;
    letter-spacing: 1px;
    background: rgba(232, 64, 87, 0.12);
    color: var(--pulse-red);
}

.plan-adjustments {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 16px;
    background: rgba(74, 124, 255, 0.08);
    border: 1px solid rgba(74, 124, 255, 0.2);
    border-radius: 8px;
    margin-bottom: 20px;
    font-size: 0.9rem;
    color: var(--accent-blue);
}

.exercises-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
    margin-bottom: 16px;
}

.exercise-item {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 16px;
    background: var(--bg);
    border-radius: 10px;
    border: 1px solid var(--border);
}

.exercise-icon {
    width: 42px;
    height: 42px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    flex-shrink: 0;
}

.exercise-icon.walk { background: rgba(56, 217, 169, 0.12); }
.exercise-icon.stretch { background: rgba(74, 124, 255, 0.12); }
.exercise-icon.breathe { background: rgba(232, 64, 87, 0.12); }
.exercise-icon.strength { background: rgba(240, 160, 48, 0.12); }

.exercise-name {
    font-weight: 600;
    font-size: 0.9rem;
}

.exercise-meta {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-top: 2px;
}

.plan-note {
    font-size: 0.85rem;
    color: var(--warning);
    padding: 12px 16px;
    background: rgba(240, 160, 48, 0.06);
    border-radius: 8px;
    border-left: 3px solid var(--warning);
}

/* Recent Check-ins */
.checkins-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 28px;
}

.checkins-card h3 {
    font-size: 1.15rem;
    font-weight: 700;
    margin-bottom: 20px;
}

.checkins-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.checkin-row {
    display: grid;
    grid-template-columns: 100px 60px 80px 80px 60px 1fr;
    gap: 16px;
    align-items: center;
    padding: 14px 16px;
    background: var(--bg);
    border-radius: 8px;
    border: 1px solid var(--border);
    font-size: 0.85rem;
}

.checkin-date {
    font-weight: 600;
    font-family: 'Space Grotesk', sans-serif;
}

.checkin-feeling {
    display: flex;
    align-items: center;
    gap: 4px;
}

.feeling-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
}

.feeling-dot.high { background: var(--accent-teal); }
.feeling-dot.medium { background: var(--warning); }
.feeling-dot.low { background: var(--danger); }

.checkin-activity {
    color: var(--text-muted);
}

.checkin-mood {
    color: var(--text-muted);
    text-transform: capitalize;
}

.checkin-flag {
    display: flex;
    justify-content: flex-end;
}

.flag-tag {
    padding: 2px 8px;
    border-radius: 4px;
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.flag-tag.flagged {
    background: rgba(232, 64, 87, 0.12);
    color: var(--pulse-red);
}

/* Check-in Form */
.checkin-form {
    max-width: 640px;
}

.form-step {
    animation: fadeUp 0.3s ease;
}

@keyframes fadeUp {
    from { opacity: 0; transform: translateY(16px); }
    to { opacity: 1; transform: translateY(0); }
}

.step-label {
    font-size: 0.8rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 12px;
    font-family: 'Space Grotesk', sans-serif;
}

.form-step h2 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 28px;
}

.feeling-scale {
    display: grid;
    grid-template-columns: repeat(10, 1fr);
    gap: 8px;
}

.feeling-btn {
    aspect-ratio: 1;
    border: 2px solid var(--border);
    border-radius: 12px;
    background: var(--surface);
    color: var(--text-muted);
    font-family: 'Space Grotesk', sans-serif;
    font-size: 1.1rem;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.15s;
}

.feeling-btn:hover {
    border-color: var(--pulse-red);
    color: var(--text);
}

.feeling-btn.selected {
    background: var(--pulse-red);
    border-color: var(--pulse-red);
    color: #fff;
    box-shadow: 0 2px 12px rgba(232, 64, 87, 0.3);
}

.feeling-labels {
    display: flex;
    justify-content: space-between;
    margin-top: 8px;
    font-size: 0.8rem;
    color: var(--text-muted);
}

.symptom-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
}

.symptom-chip {
    display: flex;
    align-items: center;
    cursor: pointer;
}

.symptom-chip input {
    display: none;
}

.symptom-chip span {
    display: block;
    width: 100%;
    padding: 14px 18px;
    border: 1px solid var(--border);
    border-radius: 10px;
    background: var(--surface);
    color: var(--text-muted);
    font-size: 0.9rem;
    transition: all 0.15s;
    text-align: center;
}

.symptom-chip input:checked + span {
    border-color: var(--pulse-red);
    background: rgba(232, 64, 87, 0.1);
    color: var(--pulse-red);
    font-weight: 500;
}

.symptom-chip.none input:checked + span {
    border-color: var(--accent-teal);
    background: rgba(56, 217, 169, 0.1);
    color: var(--accent-teal);
}

.activity-toggle {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.toggle-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    padding: 32px;
    border: 2px solid var(--border);
    border-radius: 16px;
    background: var(--surface);
    color: var(--text-muted);
    font-family: 'Space Grotesk', sans-serif;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.15s;
}

.toggle-btn:hover {
    border-color: var(--text-muted);
}

.toggle-btn.selected {
    border-color: var(--accent-teal);
    background: rgba(56, 217, 169, 0.08);
    color: var(--accent-teal);
}

.toggle-btn.selected-no {
    border-color: var(--pulse-red);
    background: rgba(232, 64, 87, 0.08);
    color: var(--pulse-red);
}

.form-group {
    margin-bottom: 8px;
}

.form-label {
    display: block;
    font-size: 0.9rem;
    color: var(--text-muted);
    margin-bottom: 12px;
    font-weight: 500;
}

.range-input {
    width: 100%;
    -webkit-appearance: none;
    appearance: none;
    height: 6px;
    border-radius: 3px;
    background: var(--border);
    outline: none;
}

.range-input::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 22px;
    height: 22px;
    border-radius: 50%;
    background: var(--pulse-red);
    cursor: pointer;
    border: 3px solid var(--bg);
    box-shadow: 0 2px 8px rgba(232, 64, 87, 0.3);
}

.range-value {
    text-align: center;
    margin-top: 12px;
    font-family: 'Space Grotesk', sans-serif;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text);
}

.mood-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
}

.mood-btn {
    padding: 18px;
    border: 1px solid var(--border);
    border-radius: 12px;
    background: var(--surface);
    color: var(--text-muted);
    font-size: 0.95rem;
    cursor: pointer;
    transition: all 0.15s;
}

.mood-btn:hover {
    border-color: var(--text-muted);
    color: var(--text);
}

.mood-btn.selected {
    border-color: var(--accent-teal);
    background: rgba(56, 217, 169, 0.08);
    color: var(--accent-teal);
    font-weight: 600;
}

.form-textarea {
    width: 100%;
    min-height: 100px;
    padding: 14px 18px;
    border: 1px solid var(--border);
    border-radius: 10px;
    background: var(--surface);
    color: var(--text);
    font-family: 'DM Sans', sans-serif;
    font-size: 0.95rem;
    resize: vertical;
    outline: none;
    transition: border-color 0.15s;
}

.form-textarea:focus {
    border-color: var(--pulse-red);
}

.form-nav {
    display: flex;
    align-items: center;
    margin-top: 40px;
    padding-top: 24px;
    border-top: 1px solid var(--border);
}

.spinner {
    display: inline-block;
    width: 16px;
    height: 16px;
    border: 2px solid rgba(10, 12, 16, 0.3);
    border-top-color: #0a0c10;
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
}

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

/* Check-in Done */
.checkin-done {
    text-align: center;
    padding: 60px 20px;
    max-width: 600px;
}

.done-icon {
    width: 72px;
    height: 72px;
    border-radius: 50%;
    background: rgba(56, 217, 169, 0.12);
    color: var(--accent-teal);
    font-size: 2rem;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 24px;
}

.checkin-done h2 {
    font-size: 1.5rem;
    margin-bottom: 24px;
}

.ai-feedback {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 24px;
    margin-bottom: 32px;
    text-align: left;
}

.ai-feedback h4 {
    font-size: 0.85rem;
    color: var(--accent-blue);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 12px;
}

.ai-feedback p {
    font-size: 0.95rem;
    color: var(--text-muted);
    line-height: 1.7;
}

.ai-feedback .recs {
    margin-top: 16px;
    padding-top: 16px;
    border-top: 1px solid var(--border);
}

.ai-feedback .recs h4 {
    color: var(--accent-teal);
}

/* Alerts Page */
.alerts-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.alert-item {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    padding: 20px 24px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    border-left: 4px solid;
    transition: border-color 0.15s;
}

.alert-item.critical { border-left-color: var(--danger); }
.alert-item.warning { border-left-color: var(--warning); }
.alert-item.info { border-left-color: var(--accent-blue); }
.alert-item.acknowledged { opacity: 0.5; }

.alert-content { flex: 1; }

.alert-header {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 6px;
}

.alert-severity {
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    padding: 2px 8px;
    border-radius: 4px;
    font-family: 'Space Grotesk', sans-serif;
}

.alert-severity.critical { background: rgba(232, 64, 87, 0.12); color: var(--danger); }
.alert-severity.warning { background: rgba(240, 160, 48, 0.12); color: var(--warning); }
.alert-severity.info { background: rgba(74, 124, 255, 0.12); color: var(--accent-blue); }

.alert-type {
    font-size: 0.8rem;
    color: var(--text-muted);
}

.alert-message {
    font-size: 0.95rem;
    color: var(--text);
    line-height: 1.6;
}

.alert-meta {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-top: 10px;
    font-size: 0.8rem;
    color: var(--text-muted);
}

.alert-ack-btn {
    padding: 8px 16px;
    border: 1px solid var(--border);
    border-radius: 8px;
    background: transparent;
    color: var(--text-muted);
    font-size: 0.8rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.15s;
    white-space: nowrap;
    align-self: center;
}

.alert-ack-btn:hover {
    border-color: var(--accent-teal);
    color: var(--accent-teal);
}

.empty-state {
    text-align: center;
    padding: 60px 20px;
    color: var(--text-muted);
}

.empty-state h3 {
    font-size: 1.2rem;
    margin-bottom: 8px;
    color: var(--text);
}

/* Mobile */
@media (max-width: 1024px) {
    .sidebar { display: none; }
    .main-content { margin-left: 0; }
    .stats-grid { grid-template-columns: repeat(2, 1fr); }
    .charts-row { grid-template-columns: 1fr; }
    .exercises-grid { grid-template-columns: 1fr; }
    .checkin-row { grid-template-columns: 80px 50px 70px 1fr; }
    .checkin-row > :nth-child(4), .checkin-row > :nth-child(5) { display: none; }
}

@media (max-width: 640px) {
    .main-content { padding: 20px 16px; }
    .stats-grid { grid-template-columns: 1fr 1fr; }
    .feeling-scale { grid-template-columns: repeat(5, 1fr); }
    .symptom-grid { grid-template-columns: 1fr; }
    .mood-grid { grid-template-columns: repeat(2, 1fr); }
    .page-header { flex-direction: column; gap: 16px; align-items: flex-start; }
}