/* ==========================================================================
   Mein Training - Basis-Stylesheet (Mobile First)
   ========================================================================== */

:root {
    --color-bg: #f5f6f8;
    --color-surface: #ffffff;
    --color-primary: #2563eb;
    --color-primary-dark: #1d4ed8;
    --color-text: #1f2937;
    --color-text-muted: #6b7280;
    --color-border: #e5e7eb;
    --color-success: #16a34a;
    --color-danger: #dc2626;
    --radius: 12px;
    --spacing: 16px;
}

* {
    box-sizing: border-box;
}

html, body {
    margin: 0;
    padding: 0;
}

body {
    background-color: var(--color-bg);
    color: var(--color-text);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    line-height: 1.5;
}

a {
    color: var(--color-primary);
    text-decoration: none;
}

/* --- Header & Navigation ------------------------------------------------ */

.app-header {
    background-color: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    padding: var(--spacing);
    position: sticky;
    top: 0;
    z-index: 10;
}

.app-header__logo {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--color-text);
}

.app-header__account {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    margin-top: 10px;
    color: var(--color-text-muted);
    font-size: 0.85rem;
}

.app-header__account form {
    margin: 0;
}

.logout-button {
    appearance: none;
    border: 1px solid var(--color-border);
    border-radius: 999px;
    background: var(--color-bg);
    color: var(--color-text);
    cursor: pointer;
    padding: 7px 12px;
    font: inherit;
    font-weight: 600;
}

.logout-button:hover,
.logout-button:focus {
    border-color: var(--color-primary);
    color: var(--color-primary);
}

.app-nav {
    display: flex;
    overflow-x: auto;
    gap: 8px;
    padding: 8px var(--spacing);
    background-color: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
}

.app-nav a {
    flex: 0 0 auto;
    padding: 8px 14px;
    border-radius: 999px;
    background-color: var(--color-bg);
    color: var(--color-text);
    font-size: 0.9rem;
    white-space: nowrap;
}

.app-nav a:hover,
.app-nav a:focus {
    background-color: var(--color-primary);
    color: #fff;
}

/* --- Main Content --------------------------------------------------------- */

.app-main {
    padding: var(--spacing);
    max-width: 720px;
    margin: 0 auto;
}

.app-footer {
    text-align: center;
    padding: var(--spacing);
    color: var(--color-text-muted);
    font-size: 0.8rem;
    background: var(--color-surface);
    border-top: 1px solid var(--color-border);
}

.legal-nav {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 4px 12px;
}

.legal-nav a {
    display: inline-flex;
    align-items: center;
    min-height: 40px;
    padding: 4px;
}

/* --- Karten / Cards ------------------------------------------------------- */

.card {
    background-color: var(--color-surface);
    border-radius: var(--radius);
    border: 1px solid var(--color-border);
    padding: var(--spacing);
    margin-bottom: var(--spacing);
}

.card h2 {
    margin-top: 0;
}

.status-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.status-list li {
    display: flex;
    justify-content: space-between;
    padding: 8px 0;
    border-bottom: 1px solid var(--color-border);
}

.status-list li:last-child {
    border-bottom: none;
}

.badge {
    display: inline-block;
    padding: 2px 10px;
    border-radius: 999px;
    font-size: 0.8rem;
    font-weight: 600;
}

.badge--ok {
    background-color: #dcfce7;
    color: var(--color-success);
}

.badge--error {
    background-color: #fee2e2;
    color: var(--color-danger);
}

/* --- Buttons --------------------------------------------------------------- */

.btn {
    display: inline-block;
    width: 100%;
    text-align: center;
    padding: 12px 16px;
    border-radius: var(--radius);
    background-color: var(--color-primary);
    color: #fff;
    font-weight: 600;
    border: none;
    font-size: 1rem;
    margin-bottom: 10px;
}

.btn:hover,
.btn:focus {
    background-color: var(--color-primary-dark);
}

.btn--secondary {
    background-color: var(--color-bg);
    color: var(--color-text);
    border: 1px solid var(--color-border);
}

/* --- Login --------------------------------------------------------------- */

.login-page {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.login-shell {
    width: 100%;
    max-width: 420px;
    margin: auto;
    padding: var(--spacing);
}

.login-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 24px;
    box-shadow: 0 18px 45px rgba(31, 41, 55, 0.08);
}

.login-brand {
    font-size: 1.15rem;
    font-weight: 700;
}

.login-card h1 {
    margin: 22px 0 18px;
    font-size: 1.5rem;
}

.login-form {
    display: grid;
    gap: 8px;
}

.login-form label {
    font-weight: 600;
    margin-top: 6px;
}

.login-form input[type="text"],
.login-form input[type="email"],
.login-form input[type="password"] {
    width: 100%;
    border: 1px solid var(--color-border);
    border-radius: 10px;
    padding: 12px;
    font: inherit;
}

.login-form input:focus {
    border-color: var(--color-primary);
    outline: 3px solid rgba(37, 99, 235, 0.15);
}

.login-form .btn {
    margin: 14px 0 0;
}

.alert {
    border-radius: 10px;
    margin-bottom: 14px;
    padding: 10px 12px;
    font-size: 0.9rem;
}

.alert--error {
    background: #fee2e2;
    color: #991b1b;
}

.alert--success {
    background: #dcfce7;
    color: #166534;
}

.alert ul {
    margin: 0;
    padding-left: 20px;
}

.form-help {
    color: var(--color-text-muted);
    line-height: 1.35;
}

.auth-alternative {
    margin: 20px 0 0;
    text-align: center;
    color: var(--color-text-muted);
    font-size: 0.9rem;
}

.checkbox-field {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    margin-top: 12px !important;
    font-weight: 400 !important;
}

.checkbox-field input {
    flex: 0 0 auto;
    width: 20px;
    height: 20px;
    margin: 2px 0 0;
}

.privacy-reference {
    color: var(--color-text-muted);
    font-size: 0.88rem;
    margin: 8px 0 0;
}

.link-button {
    appearance: none;
    padding: 0;
    border: 0;
    background: transparent;
    color: var(--color-primary);
    cursor: pointer;
    font: inherit;
}

/* --- Zwei-Faktor-Authentifizierung -------------------------------------- */

.settings-form {
    display: grid;
    gap: 8px;
    margin-top: 16px;
}

.settings-form label {
    font-weight: 600;
    margin-top: 6px;
}

.settings-form input,
.totp-input {
    width: 100%;
    border: 1px solid var(--color-border);
    border-radius: 10px;
    padding: 12px;
    font: inherit;
}

.totp-input {
    letter-spacing: 0.35em;
    font-size: 1.2rem;
    font-variant-numeric: tabular-nums;
}

.totp-qr {
    width: 252px;
    max-width: 100%;
    min-height: 252px;
    display: grid;
    place-items: center;
    margin: 20px auto;
    padding: 16px;
    background: #fff;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
}

.totp-qr img,
.totp-qr canvas {
    max-width: 100%;
    height: auto !important;
}

.totp-secret {
    display: block;
    overflow-wrap: anywhere;
    padding: 12px;
    border-radius: 10px;
    background: var(--color-bg);
    font-size: 1rem;
    letter-spacing: 0.08em;
}

.two-factor-disable {
    margin-top: 16px;
}

.two-factor-disable summary {
    color: var(--color-danger);
    cursor: pointer;
    font-weight: 600;
}

.btn--danger {
    background: var(--color-danger);
}

.two-factor-recovery {
    margin-top: 10px;
}

.two-factor-recovery summary {
    color: var(--color-primary);
    cursor: pointer;
    font-weight: 600;
}

.recovery-codes-status {
    margin-top: 20px;
    padding-top: 16px;
    border-top: 1px solid var(--color-border);
}

.recovery-codes-status h3 {
    margin: 0 0 6px;
    font-size: 1.05rem;
}

.recovery-codes__list {
    display: grid;
    gap: 8px;
    margin: 18px 0;
    padding-left: 24px;
}

.recovery-codes__list li {
    font-size: 1.05rem;
}

.recovery-codes__list code {
    display: inline-block;
    padding: 10px 12px;
    border-radius: 10px;
    background: var(--color-bg);
    font-size: 1.05rem;
    letter-spacing: 0.06em;
    font-variant-numeric: tabular-nums;
    word-break: break-all;
}

.recovery-codes__warning {
    font-weight: 600;
    color: #92400e;
}

/* --- Rechtliche Seiten -------------------------------------------------- */

.public-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing);
}

.legal-content {
    max-width: 760px;
    font-size: 1rem;
}

.legal-content h1 {
    line-height: 1.2;
    margin-bottom: 24px;
}

.legal-content section {
    margin-bottom: 28px;
}

.legal-content h2 {
    margin: 0 0 10px;
    font-size: 1.25rem;
    line-height: 1.3;
}

.legal-content p {
    margin: 0 0 12px;
}

.legal-content address {
    font-style: normal;
    line-height: 1.7;
}

.legal-intro,
.legal-notice {
    padding: 14px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    background: var(--color-surface);
    margin-bottom: 24px;
}

.legal-notice,
.configuration-missing {
    color: #92400e;
}

/* --- Übungslisten ------------------------------------------------------- */

.exercise-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.exercise-item {
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 12px 14px;
    margin-bottom: 10px;
}

.exercise-item__title {
    font-weight: 700;
    margin-bottom: 4px;
}

.exercise-item__meta {
    color: var(--color-text-muted);
    font-size: 0.9rem;
}

.exercise-item__video {
    display: inline-block;
    margin-top: 6px;
    font-size: 0.9rem;
}

/* --- Größere Bildschirme -------------------------------------------------- */

@media (min-width: 600px) {
    .app-header {
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: var(--spacing);
    }

    .app-header__account {
        margin-top: 0;
    }

    .app-nav {
        justify-content: center;
    }

    .btn {
        width: auto;
    }
}

/* ==========================================================================
   Trainingsansicht (pages/workout.php) - dunkles, fitnessartiges Theme
   ========================================================================== */

:root {
    --workout-bg: #0f1115;
    --workout-surface: #1a1d24;
    --workout-surface-alt: #22262f;
    --workout-border: #2c313c;
    --workout-text: #f3f4f6;
    --workout-text-muted: #9ca3af;
    --workout-accent: #22d3ee;
    --workout-accent-dark: #0891b2;
    --workout-done: #16a34a;
}

.workout {
    margin: calc(var(--spacing) * -1);
    padding: var(--spacing);
    background-color: var(--workout-bg);
    color: var(--workout-text);
}

.workout__head {
    margin-bottom: var(--spacing);
}

.workout__title {
    margin: 0 0 4px 0;
    font-size: 1.4rem;
}

.workout__meta {
    color: var(--workout-text-muted);
    margin: 0 0 14px 0;
    font-size: 0.95rem;
}

.workout__progress-label {
    font-weight: 600;
    margin: 0 0 8px 0;
}

.progress-bar {
    width: 100%;
    height: 14px;
    background-color: var(--workout-surface-alt);
    border-radius: 999px;
    overflow: hidden;
    border: 1px solid var(--workout-border);
}

.progress-bar__fill {
    height: 100%;
    width: 0%;
    background-color: var(--workout-accent);
    transition: width 0.2s ease;
}

.exercise-card {
    background-color: var(--workout-surface);
    border: 1px solid var(--workout-border);
    border-radius: var(--radius);
    padding: 16px;
    margin-bottom: 18px;
}

.exercise-card__title {
    margin: 0 0 6px 0;
    font-size: 1.1rem;
    letter-spacing: 0.02em;
}

.exercise-card__meta {
    color: var(--workout-text-muted);
    margin: 0 0 12px 0;
    font-size: 0.95rem;
}

.btn--video {
    width: 100%;
    background-color: var(--workout-surface-alt);
    color: var(--workout-accent);
    border: 1px solid var(--workout-border);
    margin-bottom: 14px;
}

.btn--video:hover,
.btn--video:focus {
    background-color: var(--workout-border);
}

.set-card {
    background-color: var(--workout-surface-alt);
    border: 1px solid var(--workout-border);
    border-radius: var(--radius);
    padding: 14px;
    margin-bottom: 12px;
    transition: background-color 0.2s ease, border-color 0.2s ease;
}

.set-card:last-child {
    margin-bottom: 0;
}

.set-card__label {
    font-weight: 700;
    margin-bottom: 10px;
    color: var(--workout-text);
}

.set-card__fields {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-bottom: 12px;
}

.set-field {
    display: flex;
    flex-direction: column;
    gap: 6px;
    flex: 1 1 120px;
    font-size: 0.85rem;
    color: var(--workout-text-muted);
}

.set-input {
    width: 100%;
    padding: 14px 12px;
    font-size: 1.1rem;
    border-radius: 10px;
    border: 1px solid var(--workout-border);
    background-color: var(--workout-bg);
    color: var(--workout-text);
    -moz-appearance: textfield;
}

.set-input:focus {
    outline: none;
    border-color: var(--workout-accent);
}

.set-input:disabled {
    opacity: 0.6;
}

.btn--set-done {
    width: 100%;
    background-color: var(--workout-accent-dark);
    color: #fff;
    padding: 16px;
    font-size: 1.05rem;
    border-radius: 10px;
}

.btn--set-done:hover,
.btn--set-done:focus {
    background-color: var(--workout-accent);
}

.set-card--done {
    background-color: rgba(22, 163, 74, 0.12);
    border-color: var(--workout-done);
}

.set-card--done .btn--set-done {
    background-color: var(--workout-done);
}

/* Größere Touch-Ziele auf kleinen Bildschirmen, keine horizontale Scrollleiste */
@media (max-width: 400px) {
    .set-card__fields {
        flex-direction: column;
    }
}