/* ===========================================
   INTERVALS.ICU DASHBOARD — WAHOO STYLE
   =========================================== */

:root {
    /* Wahoo palette */
    --orange: #FF6B35;
    --orange-light: #FF8C5A;
    --orange-dark: #E55A25;
    --blue: #004E89;
    --blue-light: #0070C0;
    --green: #06A77D;
    --green-light: #08D49E;
    --red: #E63946;
    --yellow: #FFB400;
    --purple: #7B68EE;

    /* Dark theme */
    --bg-primary: #0D0F14;
    --bg-secondary: #141720;
    --bg-card: #1A1D28;
    --bg-card-hover: #1F2333;
    --bg-input: #12141C;
    --border: #2A2D3A;
    --border-light: #353849;

    /* Text */
    --text-primary: #F0F0F5;
    --text-secondary: #8B8FA3;
    --text-muted: #5C6078;

    /* Misc */
    --radius: 12px;
    --radius-sm: 8px;
    --transition: 0.2s ease;
    --shadow: 0 4px 24px rgba(0,0,0,0.3);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.5;
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
}

/* ===========================================
   LOGIN SCREEN
   =========================================== */

.login-screen {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    background:
        radial-gradient(ellipse at 20% 50%, rgba(255,107,53,0.08) 0%, transparent 60%),
        radial-gradient(ellipse at 80% 20%, rgba(0,78,137,0.08) 0%, transparent 60%),
        var(--bg-primary);
}

.login-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 48px 40px;
    width: 100%;
    max-width: 420px;
    box-shadow: var(--shadow);
}

.login-logo {
    text-align: center;
    margin-bottom: 36px;
}

.login-logo svg {
    margin-bottom: 16px;
}

.login-logo h1 {
    font-size: 22px;
    font-weight: 700;
    letter-spacing: -0.02em;
}

.login-subtitle {
    color: var(--text-secondary);
    font-size: 13px;
    margin-top: 4px;
}

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

.form-group label {
    display: block;
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-secondary);
    margin-bottom: 6px;
}

.form-group input {
    width: 100%;
    padding: 12px 14px;
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-size: 14px;
    font-family: 'JetBrains Mono', monospace;
    transition: border-color var(--transition);
    outline: none;
}

.form-group input:focus {
    border-color: var(--orange);
    box-shadow: 0 0 0 3px rgba(255,107,53,0.15);
}

.form-group input::placeholder {
    color: var(--text-muted);
    font-family: 'Inter', sans-serif;
}

.form-hint {
    display: block;
    font-size: 11px;
    color: var(--text-muted);
    margin-top: 4px;
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    color: var(--text-secondary);
    margin-bottom: 24px;
    cursor: pointer;
}

.checkbox-label input[type="checkbox"] {
    accent-color: var(--orange);
    width: 16px;
    height: 16px;
}

#btn-connect {
    width: 100%;
    padding: 14px;
    background: var(--orange);
    color: #fff;
    border: none;
    border-radius: var(--radius-sm);
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: background var(--transition), transform var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

#btn-connect:hover {
    background: var(--orange-dark);
    transform: translateY(-1px);
}

#btn-connect:active {
    transform: translateY(0);
}

.btn-loader {
    width: 18px;
    height: 18px;
    border: 2px solid rgba(255,255,255,0.3);
    border-top-color: #fff;
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
}

.login-error {
    margin-top: 16px;
    padding: 12px;
    background: rgba(230,57,70,0.12);
    border: 1px solid rgba(230,57,70,0.3);
    border-radius: var(--radius-sm);
    color: var(--red);
    font-size: 13px;
    text-align: center;
}

/* ===========================================
   TOP BAR
   =========================================== */

.topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 24px;
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 100;
    gap: 16px;
}

.topbar-left {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-shrink: 0;
}

.topbar-left h2 {
    font-size: 16px;
    font-weight: 700;
    white-space: nowrap;
}

.topbar-center {
    flex: 1;
    display: flex;
    justify-content: center;
}

/* TAB NAVIGATION */
.tab-nav {
    display: flex;
    gap: 4px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 3px;
}

.tab-btn {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 7px 16px;
    background: transparent;
    border: none;
    border-radius: 6px;
    color: var(--text-secondary);
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition);
    font-family: 'Inter', sans-serif;
    white-space: nowrap;
}

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

.tab-btn.active {
    background: var(--orange);
    color: #fff;
}

main.tab-content,
.tab-content {
    display: none !important;
}

main.tab-content.active,
.tab-content.active {
    display: block !important;
}

/* PERIOD SELECTOR (inside dashboard tab) */
.period-bar {
    display: flex;
    justify-content: flex-start;
    margin-bottom: 20px;
}

.period-selector {
    display: flex;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    overflow: hidden;
}

.period-btn {
    padding: 6px 16px;
    background: transparent;
    border: none;
    color: var(--text-secondary);
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition);
    font-family: 'Inter', sans-serif;
}

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

.period-btn.active {
    background: var(--orange);
    color: #fff;
}

/* ACTIVITY SELECTOR (pedaling tab) */
.activity-selector {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
    margin-bottom: 20px;
}

.activity-selector label {
    font-size: 13px;
    color: var(--text-secondary);
    font-weight: 500;
    white-space: nowrap;
}

.activity-selector select {
    flex: 1;
    min-width: 250px;
    padding: 10px 14px;
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-size: 13px;
    font-family: 'Inter', sans-serif;
    outline: none;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg width='12' height='8' viewBox='0 0 12 8' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 1.5L6 6.5L11 1.5' stroke='%238B8FA3' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    padding-right: 34px;
    transition: border-color var(--transition);
}

.activity-selector select:focus {
    border-color: var(--orange);
}

.activity-selector select option {
    background: var(--bg-card);
    color: var(--text-primary);
}

.pedaling-activity-info {
    display: flex;
    gap: 16px;
    align-items: center;
    padding: 12px 16px;
    background: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    margin-top: 12px;
    flex-wrap: wrap;
}

.ped-info-name {
    font-weight: 700;
    color: var(--text-primary);
    font-size: 14px;
}

.ped-info-detail {
    font-size: 12px;
    color: var(--text-secondary);
    font-family: 'JetBrains Mono', monospace;
}

.pedaling-no-data {
    text-align: center;
    padding: 30px;
    color: var(--text-muted);
}

.pedaling-no-data p:first-child {
    font-size: 14px;
    color: var(--text-secondary);
    margin-bottom: 8px;
}

.pedaling-coach-action {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-top: 20px;
    padding-top: 16px;
    border-top: 1px solid var(--border);
}

.topbar-right {
    display: flex;
    align-items: center;
    gap: 16px;
    flex-shrink: 0;
}

.athlete-meta {
    display: flex;
    gap: 8px;
}

.meta-badge {
    padding: 4px 10px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 6px;
    font-size: 12px;
    font-weight: 600;
    font-family: 'JetBrains Mono', monospace;
    color: var(--text-secondary);
}

.btn-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    cursor: pointer;
    transition: all var(--transition);
}

.btn-icon:hover {
    color: var(--red);
    border-color: var(--red);
}

/* ===========================================
   MAIN CONTENT
   =========================================== */

.main {
    padding: 24px;
    max-width: 1440px;
    margin: 0 auto;
}

/* ===========================================
   KPI CARDS
   =========================================== */

.kpi-row {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 16px;
    margin-bottom: 24px;
}

.kpi-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 20px;
    position: relative;
    overflow: hidden;
    transition: border-color var(--transition);
}

.kpi-card:hover {
    border-color: var(--border-light);
}

.kpi-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
}

.kpi-fitness::before { background: var(--blue-light); }
.kpi-fatigue::before { background: var(--orange); }
.kpi-form::before { background: var(--green); }
.kpi-ramp::before { background: var(--purple); }
.kpi-load::before { background: var(--yellow); }

.kpi-label {
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--text-muted);
    margin-bottom: 8px;
}

.kpi-value {
    font-size: 32px;
    font-weight: 800;
    font-family: 'JetBrains Mono', monospace;
    letter-spacing: -0.02em;
    line-height: 1;
}

.kpi-fitness .kpi-value { color: var(--blue-light); }
.kpi-fatigue .kpi-value { color: var(--orange); }
.kpi-form .kpi-value { color: var(--green); }
.kpi-ramp .kpi-value { color: var(--purple); }
.kpi-load .kpi-value { color: var(--yellow); }

.kpi-trend {
    font-size: 12px;
    margin-top: 6px;
    font-weight: 500;
}

.kpi-sub {
    font-size: 11px;
    color: var(--text-muted);
    margin-top: 6px;
}

.trend-up { color: var(--green-light); }
.trend-down { color: var(--red); }
.trend-neutral { color: var(--text-muted); }

/* ===========================================
   CHART SECTIONS
   =========================================== */

.chart-section {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 24px;
    margin-bottom: 24px;
}

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

.section-header h3 {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.badge {
    padding: 3px 10px;
    background: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: 20px;
    font-size: 11px;
    color: var(--text-muted);
    font-weight: 600;
}

.chart-container {
    position: relative;
    height: 280px;
}

.chart-container canvas {
    width: 100% !important;
    height: 100% !important;
}

.grid-2col {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
    margin-bottom: 24px;
}

.grid-2col .chart-section {
    margin-bottom: 0;
}

/* ===========================================
   ACTIVITIES TABLE
   =========================================== */

.table-wrapper {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

.activities-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 13px;
}

.activities-table thead th {
    text-align: left;
    padding: 10px 12px;
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-muted);
    border-bottom: 1px solid var(--border);
    white-space: nowrap;
}

.activities-table tbody tr {
    border-bottom: 1px solid var(--border);
    transition: background var(--transition);
}

.activities-table tbody tr:hover {
    background: var(--bg-card-hover);
}

.activities-table tbody td {
    padding: 12px;
    white-space: nowrap;
    color: var(--text-secondary);
}

.activities-table tbody td:first-child {
    color: var(--text-primary);
    font-weight: 500;
}

.activities-table .col-tss {
    font-weight: 600;
    font-family: 'JetBrains Mono', monospace;
    color: var(--orange);
}

.activities-table .col-np {
    font-family: 'JetBrains Mono', monospace;
    color: var(--blue-light);
}

.activities-table .col-hr {
    font-family: 'JetBrains Mono', monospace;
    color: var(--red);
}

.activity-name {
    display: flex;
    align-items: center;
    gap: 8px;
}

.activity-type-badge {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 4px;
    font-size: 10px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.type-ride { background: rgba(0,112,192,0.15); color: var(--blue-light); }
.type-run { background: rgba(6,167,125,0.15); color: var(--green); }
.type-swim { background: rgba(123,104,238,0.15); color: var(--purple); }
.type-strength { background: rgba(255,180,0,0.15); color: var(--yellow); }
.type-other { background: rgba(139,143,163,0.12); color: var(--text-secondary); }

.empty-state {
    text-align: center;
    color: var(--text-muted);
    padding: 40px !important;
}

/* ===========================================
   FOOTER
   =========================================== */

.footer {
    display: flex;
    justify-content: space-between;
    padding: 16px 24px;
    font-size: 12px;
    color: var(--text-muted);
    border-top: 1px solid var(--border);
}

.footer a {
    color: var(--orange);
    text-decoration: none;
}

.footer a:hover {
    text-decoration: underline;
}

/* ===========================================
   LOADING OVERLAY
   =========================================== */

.loading-overlay {
    position: fixed;
    inset: 0;
    background: rgba(13,15,20,0.85);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 16px;
    z-index: 1000;
    backdrop-filter: blur(4px);
}

.loading-overlay p {
    color: var(--text-secondary);
    font-size: 14px;
}

.spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--border);
    border-top-color: var(--orange);
    border-radius: 50%;
    animation: spin 0.7s linear infinite;
}

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

/* ===========================================
   RESPONSIVE
   =========================================== */

@media (max-width: 1200px) {
    .kpi-row {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 900px) {
    .grid-2col {
        grid-template-columns: 1fr;
    }

    .kpi-row {
        grid-template-columns: repeat(2, 1fr);
    }

    .athlete-meta {
        display: none;
    }

    .topbar {
        padding: 10px 16px;
        flex-wrap: wrap;
    }

    .topbar-center {
        order: 3;
        width: 100%;
        justify-content: center;
        margin-top: 8px;
    }

    .tab-btn svg {
        display: none;
    }

    .main {
        padding: 16px;
    }

    .coach-container {
        grid-template-columns: 1fr;
    }

    .activity-selector {
        flex-direction: column;
        align-items: stretch;
    }
}

@media (max-width: 600px) {
    .kpi-row {
        grid-template-columns: 1fr 1fr;
    }

    .kpi-value {
        font-size: 24px;
    }

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

    .topbar-left h2 {
        font-size: 14px;
    }

    .chart-container {
        height: 220px;
    }

    .activities-table {
        font-size: 12px;
    }

    .footer {
        flex-direction: column;
        gap: 4px;
        text-align: center;
    }

    .login-card {
        padding: 32px 24px;
    }
}

/* ===========================================
   SCROLLBAR
   =========================================== */

::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}

::-webkit-scrollbar-track {
    background: var(--bg-primary);
}

::-webkit-scrollbar-thumb {
    background: var(--border);
    border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--border-light);
}

/* ===========================================
   TSB STATUS COLORS
   =========================================== */

.tsb-fresh { color: var(--green-light); }
.tsb-neutral { color: var(--yellow); }
.tsb-tired { color: var(--orange); }
.tsb-overtrained { color: var(--red); }

/* ===========================================
   CRITICAL POWER SECTION
   =========================================== */

.cp-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 12px;
    margin-bottom: 16px;
}

.cp-metric {
    background: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 14px;
    text-align: center;
}

.cp-label {
    display: block;
    font-size: 10px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--text-muted);
    margin-bottom: 6px;
}

.cp-val {
    display: block;
    font-size: 26px;
    font-weight: 800;
    font-family: 'JetBrains Mono', monospace;
    color: var(--orange);
    line-height: 1;
}

.cp-unit {
    display: block;
    font-size: 10px;
    color: var(--text-muted);
    margin-top: 4px;
}

.cp-note {
    font-size: 12px;
    color: var(--text-muted);
    text-align: center;
    padding: 8px;
    background: rgba(255,107,53,0.06);
    border-radius: var(--radius-sm);
    margin-bottom: 12px;
}

.chart-sm {
    height: 180px;
}

/* ===========================================
   PEDALING ANALYSIS
   =========================================== */

.pedaling-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
}

.pedal-card {
    background: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 20px;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
}

.pedal-gauge {
    position: relative;
    width: 120px;
    height: 80px;
}

.gauge-svg {
    width: 100%;
    height: 100%;
}

.gauge-value {
    position: absolute;
    bottom: 4px;
    left: 50%;
    transform: translateX(-50%);
    font-size: 22px;
    font-weight: 800;
    font-family: 'JetBrains Mono', monospace;
    color: var(--text-primary);
}

.pedal-label {
    font-size: 12px;
    font-weight: 600;
    color: var(--text-secondary);
}

.pedal-hint {
    font-size: 10px;
    color: var(--text-muted);
}

/* Balance bar */
.balance-bar-container {
    width: 100%;
    padding: 10px 0;
}

.balance-labels {
    display: flex;
    justify-content: space-between;
    font-size: 14px;
    font-weight: 700;
    font-family: 'JetBrains Mono', monospace;
    margin-bottom: 6px;
}

.balance-labels span:first-child { color: var(--blue-light); }
.balance-labels span:nth-child(2) { color: var(--text-muted); font-size: 10px; }
.balance-labels span:last-child { color: var(--orange); }

.balance-bar {
    display: flex;
    height: 12px;
    border-radius: 6px;
    overflow: hidden;
    background: var(--bg-card);
}

.balance-fill-left {
    background: linear-gradient(90deg, var(--blue), var(--blue-light));
    transition: width 0.5s ease;
}

.balance-fill-right {
    background: linear-gradient(90deg, var(--orange), var(--orange-light));
    transition: width 0.5s ease;
}

.balance-ideal {
    font-size: 10px;
    color: var(--text-muted);
    text-align: center;
    margin-top: 4px;
}

/* Phase diagram */
.phase-diagram {
    width: 120px;
    height: 120px;
}

.phase-svg {
    width: 100%;
    height: 100%;
}

/* ===========================================
   AI COACH
   =========================================== */

.coach-container {
    display: grid;
    grid-template-columns: 280px 1fr;
    gap: 20px;
    min-height: 400px;
}

.coach-sidebar {
    background: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 20px;
}

.coach-sidebar h4 {
    font-size: 13px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 16px;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.coach-sidebar .form-group {
    margin-bottom: 14px;
}

.coach-sidebar .form-group label {
    font-size: 11px;
    margin-bottom: 4px;
}

.coach-sidebar .form-group input,
.coach-sidebar .form-group select {
    width: 100%;
    padding: 8px 10px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 6px;
    color: var(--text-primary);
    font-size: 13px;
    font-family: 'Inter', sans-serif;
    outline: none;
    transition: border-color var(--transition);
}

.coach-sidebar .form-group input:focus,
.coach-sidebar .form-group select:focus {
    border-color: var(--orange);
}

.coach-sidebar .form-group select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg width='12' height='8' viewBox='0 0 12 8' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 1.5L6 6.5L11 1.5' stroke='%238B8FA3' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 10px center;
    padding-right: 30px;
}

.coach-main {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.coach-actions {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.coach-btn {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 10px 16px;
    background: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    font-size: 13px;
    font-weight: 500;
    font-family: 'Inter', sans-serif;
    cursor: pointer;
    transition: all var(--transition);
    white-space: nowrap;
}

.coach-btn:hover {
    border-color: var(--orange);
    color: var(--orange);
    background: rgba(255,107,53,0.06);
}

.coach-btn.loading {
    opacity: 0.6;
    pointer-events: none;
}

.coach-btn.active {
    border-color: var(--orange);
    background: rgba(255,107,53,0.1);
    color: var(--orange);
}

.coach-response {
    flex: 1;
    background: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 24px;
    overflow-y: auto;
    max-height: 600px;
    line-height: 1.7;
    font-size: 14px;
}

.coach-placeholder {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 16px;
    min-height: 200px;
    text-align: center;
    color: var(--text-muted);
}

.coach-placeholder p {
    max-width: 400px;
    font-size: 13px;
}

.coach-response h1,
.coach-response h2,
.coach-response h3 {
    color: var(--orange);
    margin: 20px 0 10px 0;
}

.coach-response h1 { font-size: 20px; }
.coach-response h2 { font-size: 17px; }
.coach-response h3 { font-size: 15px; }

.coach-response p {
    margin-bottom: 12px;
    color: var(--text-secondary);
}

.coach-response strong {
    color: var(--text-primary);
}

.coach-response ul, .coach-response ol {
    margin: 8px 0 12px 20px;
    color: var(--text-secondary);
}

.coach-response li {
    margin-bottom: 4px;
}

.coach-response table {
    width: 100%;
    border-collapse: collapse;
    margin: 12px 0;
    font-size: 13px;
}

.coach-response table th {
    background: var(--bg-card);
    padding: 8px 10px;
    text-align: left;
    font-size: 11px;
    text-transform: uppercase;
    color: var(--text-muted);
    border-bottom: 1px solid var(--border);
}

.coach-response table td {
    padding: 8px 10px;
    border-bottom: 1px solid var(--border);
    color: var(--text-secondary);
}

.coach-response table tr:hover td {
    background: var(--bg-card-hover);
}

.coach-response code {
    background: var(--bg-card);
    padding: 2px 6px;
    border-radius: 4px;
    font-family: 'JetBrains Mono', monospace;
    font-size: 12px;
    color: var(--orange);
}

.coach-response blockquote {
    border-left: 3px solid var(--orange);
    padding-left: 16px;
    margin: 12px 0;
    color: var(--text-muted);
    font-style: italic;
}

/* Coach API Key section */
.coach-api-key-section {
    margin-bottom: 4px;
}

.coach-api-key-section h4 {
    font-size: 13px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 10px;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.api-key-input-wrap {
    position: relative;
    display: flex;
    align-items: center;
}

.api-key-input-wrap input {
    width: 100%;
    padding-right: 36px !important;
    font-family: 'JetBrains Mono', monospace;
    font-size: 11px !important;
}

.btn-eye {
    position: absolute;
    right: 6px;
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    padding: 4px;
    display: flex;
    align-items: center;
}

.btn-eye:hover {
    color: var(--orange);
}

.claude-key-status {
    margin-top: 4px;
    font-size: 11px;
}

.sidebar-divider {
    border: none;
    border-top: 1px solid var(--border);
    margin: 16px 0;
}

.coach-btn-primary {
    background: rgba(255,107,53,0.1) !important;
    border-color: var(--orange) !important;
    color: var(--orange) !important;
    font-weight: 600 !important;
}

.coach-btn-primary:hover {
    background: rgba(255,107,53,0.2) !important;
}

.badge-ai {
    background: rgba(255,107,53,0.12);
    border-color: rgba(255,107,53,0.3);
    color: var(--orange);
}

.coach-loading {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 20px;
    color: var(--text-secondary);
}

.coach-loading .spinner {
    width: 24px;
    height: 24px;
}

/* ===========================================
   RESPONSIVE — NEW SECTIONS
   =========================================== */

@media (max-width: 1200px) {
    .cp-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .pedaling-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 900px) {
    .coach-container {
        grid-template-columns: 1fr;
    }
    .coach-sidebar {
        order: -1;
    }
    .coach-actions {
        overflow-x: auto;
        flex-wrap: nowrap;
        padding-bottom: 4px;
    }
}

@media (max-width: 600px) {
    .cp-grid {
        grid-template-columns: 1fr 1fr;
    }
    .pedaling-grid {
        grid-template-columns: 1fr 1fr;
    }
    .cp-val {
        font-size: 20px;
    }
    .coach-actions .coach-btn {
        font-size: 12px;
        padding: 8px 12px;
    }
}