/*
 * Level Up native iOS polish layer.
 * Visual overrides only: no layout structure, navigation, brand artwork,
 * splash behavior, or application logic is changed here.
 */

:root {
    color-scheme: dark;
    --bg: #000;
    --surface: #1c1c1e;
    --surface-raised: #242426;
    --card: #1c1c1e;
    --red: #f21f2c;
    --red-dark: #b90f19;
    --red-glow: rgba(242, 31, 44, .18);
    --text: #fff;
    --muted: rgba(235, 235, 245, .6);
    --line: rgba(84, 84, 88, .68);
    --shadow: 0 14px 40px rgba(0, 0, 0, .28);
    --ios-surface-1: #1c1c1e;
    --ios-surface-2: #242426;
    --ios-surface-3: #2c2c2e;
    --ios-fill: rgba(118, 118, 128, .24);
    --ios-fill-light: rgba(118, 118, 128, .16);
    --ios-separator: rgba(84, 84, 88, .72);
    --ios-card-radius: 20px;
    --ios-control-radius: 12px;
}

html {
    background: #000;
    -webkit-text-size-adjust: 100%;
}

body {
    background:
        radial-gradient(ellipse at 50% -12%, rgba(242, 31, 44, .085), transparent 30rem),
        #000;
    color: var(--text);
    font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Helvetica Neue", Arial, sans-serif;
    font-synthesis: none;
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
}

button,
input,
select,
textarea {
    font-family: inherit;
}

button,
[role="button"],
summary,
a {
    -webkit-tap-highlight-color: transparent;
    touch-action: manipulation;
}

button:focus-visible,
[role="button"]:focus-visible,
a:focus-visible,
summary:focus-visible {
    outline: 2px solid rgba(242, 31, 44, .82);
    outline-offset: 2px;
}

::selection {
    background: rgba(242, 31, 44, .42);
    color: #fff;
}

h1,
h2,
h3,
h4,
strong,
.metric-card p,
.dashboard-weekly-metric strong {
    font-variant-numeric: tabular-nums;
}

h1,
h2,
h3,
h4 {
    letter-spacing: -.025em;
}

.hero {
    background:
        linear-gradient(180deg, rgba(28, 28, 30, .84), rgba(10, 10, 11, .92)),
        #000;
    border-bottom-color: rgba(84, 84, 88, .48);
    box-shadow: 0 .5px 0 rgba(255, 255, 255, .035);
}

.hero::after {
    opacity: .55;
}

.hero h1,
.hero p,
.hero-kicker {
    font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "Helvetica Neue", Arial, sans-serif;
}

.hero h1 {
    font-weight: 800;
}

.hero-kicker,
.eyebrow,
.plan-type-label,
.session-smart-kicker,
.session-manual-label {
    color: #ff4b55;
    font-weight: 750;
    letter-spacing: .12em;
}

/* Native dark-mode surfaces */
.section-card,
.metric-card,
.goal-box,
.plan-builder,
.preset-plan-card,
.workout-day-card,
.session-exercise-card,
.training-summary-card,
.analytics-card,
.weight-chart-card,
.history-workout-card,
.history-active-workout,
.more-menu-card,
.nutrition-planner-card,
.dashboard-habit-card,
.dashboard-weight-trend-card,
.dashboard-seven-day-sets-card,
.dashboard-muscle-card,
.dashboard-nutrition-target-card,
.measurement-guide-card,
.measurement-entry-card,
.measurement-progress-card,
.exercise-guide-section,
.nutrition-guide-card,
.nutrition-guide-hero,
.nutrition-principles,
.satiety-card,
.plate-calculator-card,
.current-goal-card,
.current-goal-wizard-card,
.phase-current-card,
.phase-start-card,
.phase-sample-card,
.profile-appearance-card,
.unit-settings-card,
.support-report-card,
.account-cloud-card {
    background: var(--ios-surface-1);
    border-color: var(--ios-separator);
    box-shadow:
        inset 0 1px 0 rgba(255, 255, 255, .035),
        0 12px 34px rgba(0, 0, 0, .24);
}

.section-card,
.plan-builder,
.analytics-card,
.weight-chart-card,
.measurement-guide-card,
.measurement-entry-card,
.measurement-progress-card,
.nutrition-guide-hero,
.nutrition-principles,
.satiety-card {
    border-radius: var(--ios-card-radius);
}

.metric-card,
.preset-plan-card,
.workout-day-card,
.session-exercise-card,
.training-summary-card,
.history-workout-card,
.history-active-workout,
.more-menu-card,
.nutrition-planner-card,
.dashboard-habit-card,
.exercise-guide-section,
.nutrition-guide-card {
    border-radius: 16px;
}

.metric-card::before {
    display: none;
}

.dashboard .metric-card,
.plan-builder,
.goal-box,
.workout-day-card,
.session-exercise-card,
.weight-chart-card {
    border-top-color: var(--ios-separator);
    border-left-color: var(--ios-separator);
}

.dashboard .metric-card {
    border-top-width: 1px;
}

.plan-builder,
.weight-chart-card {
    border-top-width: 1px;
}

.goal-box,
.workout-day-card,
.session-exercise-card {
    border-left-width: 1px;
}

.metric-icon,
.more-menu-icon,
.nutrition-guide-icon,
.satiety-mark,
.photo-log-placeholder-icon,
.performance-score {
    background: rgba(242, 31, 44, .11);
    border-color: rgba(242, 31, 44, .24);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, .045);
}

.metric-card h3,
.metric-card small,
.section-card p,
.more-menu-card small,
.dashboard-command-date,
.dashboard-command-header p {
    color: var(--muted);
}

/* Controls */
.primary-btn,
.secondary-btn,
.progress-tab,
.training-progress-tab,
.measurement-view-tab,
.performance-toggle,
.recovery-details-toggle {
    min-height: 44px;
    border-radius: var(--ios-control-radius);
    font-weight: 650;
    letter-spacing: -.01em;
    transition:
        transform 160ms cubic-bezier(.2, .8, .2, 1),
        background-color 160ms ease,
        border-color 160ms ease,
        opacity 160ms ease;
}

.primary-btn {
    background: #f21f2c;
    border: 1px solid rgba(255, 255, 255, .08);
    box-shadow:
        inset 0 1px 0 rgba(255, 255, 255, .16),
        0 7px 18px rgba(242, 31, 44, .16);
}

.secondary-btn,
.performance-toggle,
.recovery-details-toggle {
    background: var(--ios-fill);
    border: 1px solid rgba(255, 255, 255, .07);
    color: #f5f5f7;
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, .025);
}

.primary-btn:active,
.secondary-btn:active,
.progress-tab:active,
.training-progress-tab:active,
.measurement-view-tab:active,
.more-menu-card:active,
.preset-plan-card:active,
.nutrition-planner-card:active {
    transform: scale(.975);
    opacity: .88;
}

.primary-btn:disabled,
.secondary-btn:disabled,
button:disabled {
    opacity: .42;
    box-shadow: none;
}

input:not([type="checkbox"]):not([type="radio"]),
select,
textarea {
    color: #fff;
    background: var(--ios-fill-light);
    border-color: rgba(84, 84, 88, .78);
    border-radius: var(--ios-control-radius);
    caret-color: #ff4b55;
    box-shadow: inset 0 1px 1px rgba(0, 0, 0, .16);
}

input::placeholder,
textarea::placeholder {
    color: rgba(235, 235, 245, .32);
}

input:not([type="checkbox"]):not([type="radio"]):focus,
select:focus,
textarea:focus {
    border-color: rgba(242, 31, 44, .78) !important;
    box-shadow:
        0 0 0 3px rgba(242, 31, 44, .13),
        inset 0 1px 1px rgba(0, 0, 0, .14);
}

input[type="checkbox"],
input[type="radio"] {
    accent-color: #f21f2c;
}

/* iOS Safari gives date inputs an intrinsic native width that can escape a
   single-column grid. Reset only the workout-date control so it follows the
   same content width as the training-day selector. */
.workout-session-logger .workout-start-fields {
    width: 100%;
    max-width: 100%;
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.workout-session-logger .workout-start-fields > label {
    display: block;
    width: 100%;
    min-width: 0;
}

.workout-session-logger #session-date {
    display: block;
    width: 100% !important;
    min-width: 0 !important;
    max-width: 100% !important;
    -webkit-appearance: none;
    appearance: none;
}

@media (max-width: 600px) {
    .workout-session-logger .workout-start-fields {
        grid-template-columns: minmax(0, 1fr);
    }
}

/* Segmented controls */
.progress-tabs,
.training-progress-tabs,
.measurement-view-tabs,
.dashboard-weekly-toggle,
.muscle-overview-toggle,
.recovery-facing-toggle {
    gap: 3px;
    padding: 3px;
    overflow: hidden;
    background: rgba(118, 118, 128, .18);
    border: 1px solid rgba(84, 84, 88, .58);
    border-radius: 12px;
    box-shadow: inset 0 1px 1px rgba(0, 0, 0, .16);
}

.progress-tab,
.training-progress-tab,
.measurement-view-tab,
.dashboard-weekly-toggle button,
.muscle-overview-toggle button,
.recovery-facing-toggle button {
    min-height: 36px;
    padding: 7px 10px;
    border: 0;
    border-radius: 9px;
    background: transparent;
    color: var(--muted);
    box-shadow: none;
}

.progress-tab.active,
.training-progress-tab.active,
.measurement-view-tab.active,
.dashboard-weekly-toggle button.active,
.muscle-overview-toggle button.active,
.recovery-facing-toggle button.active {
    background: #545458;
    color: #fff;
    box-shadow:
        0 1px 3px rgba(0, 0, 0, .45),
        inset 0 1px 0 rgba(255, 255, 255, .08);
}

/* Native-style tab bar, preserving existing destinations and markup */
.bottom-nav {
    background: rgba(22, 22, 24, .82);
    border: 1px solid rgba(84, 84, 88, .62);
    border-radius: 24px;
    box-shadow:
        inset 0 1px 0 rgba(255, 255, 255, .045),
        0 12px 40px rgba(0, 0, 0, .52);
    -webkit-backdrop-filter: saturate(180%) blur(24px);
    backdrop-filter: saturate(180%) blur(24px);
}

.bottom-nav .nav-btn {
    min-height: 52px;
    border-radius: 17px;
    color: rgba(235, 235, 245, .54);
    transition:
        color 160ms ease,
        background-color 160ms ease,
        transform 160ms cubic-bezier(.2, .8, .2, 1);
}

.bottom-nav .nav-btn:not(.active) .nav-icon {
    color: rgba(235, 235, 245, .58);
}

.bottom-nav .nav-btn.active,
.bottom-nav .nav-btn.active .nav-icon {
    color: #ff4b55;
}

.bottom-nav .nav-btn.active {
    background: rgba(242, 31, 44, .085);
}

.bottom-nav button.active::after {
    display: none;
}

.bottom-nav button span {
    font-size: 10px;
    font-weight: 600;
    letter-spacing: -.01em;
}

@keyframes navTapPulse {
    0% { transform: scale(1); }
    45% { transform: scale(.94); }
    75% { transform: scale(1.025); }
    100% { transform: scale(1); }
}

/* Dashboard groups and data presentation */
.dashboard-command-center .schedule-dashboard-card,
.dashboard-command-today-empty,
.dashboard-command-weekly,
.dashboard.dashboard-command-insights .metric-card,
.dashboard-weekly-metric {
    background: var(--ios-surface-1);
    border-color: var(--ios-separator);
    border-top-color: var(--ios-separator);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, .035);
}

.dashboard-command-center .schedule-dashboard-card,
.dashboard-command-today-empty {
    border-top-width: 1px;
}

.dashboard-weekly-metric {
    background: var(--ios-fill-light);
}

.dashboard-weekly-bar,
.progress-bar,
.volume-bar {
    background: rgba(118, 118, 128, .28);
}

.dashboard-weekly-bar span,
.progress-bar span,
.volume-bar span {
    background: var(--accent, #f21f2c);
}

/* Lists and tables use subtle grouped separators */
.weight-table,
.measurement-history-table,
.measurement-progress-table,
.previous-performance,
.workout-preview-stats > div,
.workout-preview-exercise,
.activity-calendar-event {
    background: var(--ios-surface-1);
    border-color: rgba(84, 84, 88, .58);
}

.weight-table-header,
.measurement-progress-header {
    background: var(--ios-surface-2);
    border-bottom: 1px solid var(--ios-separator);
    color: var(--muted);
}

.weight-table-row,
.measurement-progress-row,
.measurement-history-row,
.performance-row,
.nutrition-principle-list > div {
    border-bottom-color: rgba(84, 84, 88, .48);
}

/* Bottom sheets and dialogs */
.session-exercise-swap-sheet,
.workout-history-preview-backdrop,
.plate-calculator-overlay,
.starting-weight-calibration-backdrop {
    background: rgba(0, 0, 0, .66);
    -webkit-backdrop-filter: saturate(140%) blur(16px);
    backdrop-filter: saturate(140%) blur(16px);
}

.session-exercise-swap-panel,
.workout-history-preview-sheet,
.plate-calculator-sheet,
.starting-weight-calibration-sheet,
.level-up-login-panel,
.levelup-onboarding-shell {
    background: rgba(28, 28, 30, .97);
    border-color: rgba(84, 84, 88, .78);
    border-radius: 26px;
    box-shadow:
        inset 0 1px 0 rgba(255, 255, 255, .055),
        0 24px 70px rgba(0, 0, 0, .56);
    -webkit-backdrop-filter: saturate(150%) blur(24px);
    backdrop-filter: saturate(150%) blur(24px);
}

.exercise-options-popover,
.exercise-warmup-panel,
.session-smart-swap,
.smart-picker-panel,
.effort-guide-panel,
.training-progress-disclosure-panel {
    background: var(--ios-surface-2);
    border-color: var(--ios-separator);
    box-shadow:
        inset 0 1px 0 rgba(255, 255, 255, .035),
        0 18px 46px rgba(0, 0, 0, .42);
}

.compact-switch span {
    background: #39393d;
    box-shadow: inset 0 0 0 1px rgba(255, 255, 255, .035);
}

.compact-switch span::after {
    box-shadow: 0 2px 5px rgba(0, 0, 0, .42);
}

.compact-switch input:checked + span {
    background: #f21f2c;
}

/* Full-screen calendar keeps the same structure with native surfaces */
.activity-calendar-page {
    background:
        radial-gradient(ellipse at 50% -10%, rgba(242, 31, 44, .08), transparent 26rem),
        #000;
}

.activity-calendar-card,
.activity-calendar-details,
.activity-calendar-month-controls label,
.activity-calendar-back,
.activity-calendar-month-controls > button {
    background: var(--ios-surface-1);
    border-color: var(--ios-separator);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, .035);
}

.activity-calendar-day.is-selected {
    border-color: rgba(242, 31, 44, .84);
    background: rgba(242, 31, 44, .2);
}

/* Pointer hover is deliberately separate from touch feedback */
@media (hover: hover) and (pointer: fine) {
    .primary-btn:hover {
        background: #ff3541;
        box-shadow:
            inset 0 1px 0 rgba(255, 255, 255, .18),
            0 8px 20px rgba(242, 31, 44, .2);
        transform: translateY(-1px);
    }

    .secondary-btn:hover,
    .performance-toggle:hover,
    .recovery-details-toggle:hover {
        background: rgba(118, 118, 128, .32);
        border-color: rgba(255, 255, 255, .11);
    }

    .more-menu-card:hover,
    .preset-plan-card:hover,
    .nutrition-planner-card:hover {
        border-color: rgba(142, 142, 147, .82);
        box-shadow:
            inset 0 1px 0 rgba(255, 255, 255, .045),
            0 15px 38px rgba(0, 0, 0, .3);
        transform: translateY(-1px);
    }
}

@media (max-width: 700px) {
    #content {
        padding-left: max(16px, env(safe-area-inset-left));
        padding-right: max(16px, env(safe-area-inset-right));
    }

    .section-card {
        padding: 17px 16px;
        border-radius: 18px;
    }

    input:not([type="checkbox"]):not([type="radio"]),
    select,
    textarea {
        font-size: 16px;
    }

    .bottom-nav {
        border-radius: 22px;
    }

    .session-exercise-swap-panel,
    .workout-history-preview-sheet,
    .plate-calculator-sheet,
    .starting-weight-calibration-sheet {
        border-radius: 26px 26px 20px 20px;
    }

    /* Preserve the established edge-to-edge onboarding presentation. */
    .levelup-onboarding-shell {
        border-radius: 0;
    }
}

@media (prefers-reduced-motion: reduce) {
    /* Scope this to the app so the separately managed PWA splash is untouched. */
    #app *,
    #app *::before,
    #app *::after {
        scroll-behavior: auto !important;
        transition-duration: .01ms !important;
        animation-duration: .01ms !important;
        animation-iteration-count: 1 !important;
    }
}