/**
 * Trainingsplan Manager – Frontend-CSS (Patienten-Ansicht)
 * Vollständig responsiv, kein externes Framework.
 */

/* ============================================================
   CSS-Variablen & Basis
   ============================================================ */
.tpm-frontend {
    /* Farbvariablen – werden per Inline-Style vom PHP überschrieben */
    --tpm-primary:       #2563eb;
    --tpm-primary-dark:  #1d4ed8;
    --tpm-primary-light: rgba(37,99,235,.08);
    --tpm-primary-glow:  rgba(37,99,235,.18);
    --tpm-success:       #16a34a;
    --tpm-danger:        #dc2626;
    --tpm-surface:       #ffffff;
    --tpm-surface-alt:   #f8fafc;
    --tpm-surface-glass: rgba(255,255,255,.85);
    --tpm-border:        #e2e8f0;
    --tpm-text:          #0f172a;
    --tpm-text-muted:    #64748b;
    --tpm-radius:        16px;
    --tpm-radius-sm:     10px;
    --tpm-radius-xs:     6px;
    --tpm-shadow:        0 8px 32px rgba(0,0,0,.10), 0 2px 8px rgba(0,0,0,.06);
    --tpm-shadow-lg:     0 20px 60px rgba(0,0,0,.14), 0 4px 16px rgba(0,0,0,.08);
    --tpm-font:          -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Inter", sans-serif;

    /* Page-Builder-Kompatibilität: eigene Basiswerte setzen ohne all:initial */
    display: block;
    font-family: var(--tpm-font);
    color: var(--tpm-text);
    line-height: 1.6;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    width: 100%;
    box-sizing: border-box;
    /* Breakdance / Elementor setzen oft margin/padding auf Containern */
    margin: 0;
    padding: 0;
}

.tpm-frontend *,
.tpm-frontend *::before,
.tpm-frontend *::after {
    box-sizing: border-box;
    font-family: inherit;
}

/* Theme / Page-Builder Overrides neutralisieren */
.tpm-frontend h1,
.tpm-frontend h2,
.tpm-frontend h3,
.tpm-frontend h4,
.tpm-frontend p {
    margin-top: 0;
    padding: 0;
    font-family: var(--tpm-font);
    color: inherit;
}

.tpm-frontend input,
.tpm-frontend button,
.tpm-frontend select,
.tpm-frontend textarea {
    font-family: inherit;
    font-size: inherit;
}

.tpm-frontend a {
    color: var(--tpm-primary);
}

/* ============================================================
   Code-Eingabe-Formular – zentriert auf der Seite
   ============================================================ */
.tpm-access-form-wrap {
    display: flex;
    justify-content: center;
    align-items: center;
    /* Fallback für Page-Builder die vh-Einheiten stören */
    min-height: 400px;
    min-height: 60vh;
    min-height: 60svh;
    padding: 32px 16px;
    width: 100%;
}

.tpm-access-card {
    background: var(--tpm-surface);
    border: 1px solid var(--tpm-border);
    border-radius: var(--tpm-radius);
    box-shadow: var(--tpm-shadow-lg);
    padding: 48px 40px 40px;
    width: 100%;
    max-width: 460px;
    position: relative;
    overflow: hidden;
}

/* Dekorativer Farbstreifen oben */
.tpm-access-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--tpm-primary), #7c3aed);
    border-radius: var(--tpm-radius) var(--tpm-radius) 0 0;
}

.tpm-access-header {
    text-align: center;
    margin-bottom: 32px;
}

.tpm-access-icon {
    font-size: 52px;
    margin-bottom: 16px;
    display: block;
    filter: drop-shadow(0 2px 8px rgba(37,99,235,.2));
}

.tpm-access-title {
    font-size: 26px !important;
    font-weight: 800 !important;
    color: var(--tpm-text) !important;
    margin: 0 0 10px !important;
    letter-spacing: -.02em !important;
}

.tpm-access-subtitle {
    font-size: 14px;
    color: var(--tpm-text-muted);
    margin: 0;
    line-height: 1.6;
}

/* Fehlermeldung */
.tpm-form-error {
    background: #fef2f2;
    border: 1px solid #fecaca;
    border-left: 4px solid var(--tpm-danger);
    border-radius: var(--tpm-radius-sm);
    padding: 12px 16px;
    font-size: 14px;
    color: #991b1b;
    margin-bottom: 20px;
    animation: tpm-shake .4s ease;
    display: flex;
    align-items: center;
    gap: 8px;
}

.tpm-form-error::before {
    content: '⚠️';
    font-size: 16px;
    flex-shrink: 0;
}

@keyframes tpm-shake {
    0%, 100% { transform: translateX(0); }
    20%, 60% { transform: translateX(-5px); }
    40%, 80% { transform: translateX(5px); }
}

/* Honeypot */
.tpm-hp-field {
    position: absolute;
    left: -9999px;
    opacity: 0;
    height: 0;
    overflow: hidden;
    pointer-events: none;
}

.tpm-input-group {
    margin-bottom: 20px;
}

.tpm-input-label {
    display: block;
    font-size: 12px;
    font-weight: 700;
    color: var(--tpm-text-muted);
    margin-bottom: 8px;
    text-transform: uppercase;
    letter-spacing: .06em;
}

.tpm-input-wrapper {
    position: relative;
}

.tpm-code-input {
    width: 100%;
    padding: 16px 20px;
    font-size: 28px;
    font-weight: 800;
    letter-spacing: .20em;
    text-align: center;
    text-transform: uppercase;
    border: 2px solid var(--tpm-border);
    border-radius: var(--tpm-radius-sm);
    color: var(--tpm-text);
    background: var(--tpm-surface-alt);
    transition: border-color .2s, box-shadow .2s, background .2s;
    font-family: 'SF Mono', 'Fira Code', 'Courier New', monospace;
}

.tpm-code-input:focus {
    border-color: var(--tpm-primary);
    box-shadow: 0 0 0 4px var(--tpm-primary-glow);
    background: var(--tpm-surface);
    outline: none;
}

.tpm-code-input.tpm-input-error {
    border-color: var(--tpm-danger);
    box-shadow: 0 0 0 4px rgba(220,38,38,.12);
    background: #fef2f2;
}

.tpm-submit-btn {
    width: 100%;
    padding: 15px;
    font-size: 15px;
    font-weight: 700;
    color: #fff;
    background: linear-gradient(135deg, var(--tpm-primary), var(--tpm-primary-dark));
    border: none;
    border-radius: var(--tpm-radius-sm);
    cursor: pointer;
    transition: opacity .15s, transform .12s, box-shadow .15s;
    font-family: var(--tpm-font);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    margin-bottom: 20px;
    box-shadow: 0 4px 14px var(--tpm-primary-glow);
    letter-spacing: .01em;
}

.tpm-submit-btn:hover:not(:disabled) {
    opacity: .92;
    transform: translateY(-1px);
    /* Hover-Schatten nutzt CSS-Variable statt hartem Blau */
    box-shadow: 0 6px 20px var(--tpm-primary-glow);
    background: linear-gradient(135deg, var(--tpm-primary-dark), var(--tpm-primary));
}

.tpm-submit-btn:active {
    transform: translateY(0);
    box-shadow: 0 2px 8px var(--tpm-primary-glow);
}

.tpm-submit-btn:disabled {
    opacity: .65;
    cursor: not-allowed;
    transform: none;
}

/* Spinner */
.tpm-spinner {
    width: 16px;
    height: 16px;
    border: 2px solid rgba(255,255,255,.4);
    border-top-color: #fff;
    border-radius: 50%;
    animation: tpm-spin .7s linear infinite;
    display: inline-block;
    flex-shrink: 0;
}

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

/* DSGVO-Datenschutzhinweis */
.tpm-privacy-notice {
    font-size: 12px;
    color: var(--tpm-text-muted);
    text-align: center;
    margin: 0;
    line-height: 1.5;
}

.tpm-privacy-notice a {
    color: var(--tpm-primary);
    text-decoration: underline;
}

/* ============================================================
   Trainingsplan-Ansicht
   ============================================================ */
.tpm-plan-wrap {
    max-width: 900px;
    margin: 0 auto;
    padding: 24px 0 40px;
}

.tpm-plan-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 28px;
    gap: 16px;
    flex-wrap: wrap;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--tpm-border);
}

.tpm-plan-main-title {
    font-size: 26px !important;
    font-weight: 800 !important;
    color: var(--tpm-text) !important;
    margin: 0 !important;
    letter-spacing: -.02em !important;
}

/* Abmelde-Button: kompakt, nicht volle Breite */
.tpm-logout-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 13px;
    font-weight: 500;
    color: var(--tpm-text-muted);
    text-decoration: none;
    padding: 7px 16px;
    border: 1.5px solid var(--tpm-border);
    border-radius: 999px;
    transition: all .15s;
    white-space: nowrap;
    background: var(--tpm-surface);
    flex-shrink: 0;
}

.tpm-logout-btn::before {
    content: '←';
    font-size: 14px;
}

.tpm-logout-btn:hover {
    color: var(--tpm-danger);
    border-color: var(--tpm-danger);
    background: #fef2f2;
    text-decoration: none;
}

/* Tab-Navigation (mehrere Pläne) */
.tpm-plan-tabs {
    display: flex;
    gap: 4px;
    background: var(--tpm-surface-alt);
    border: 1px solid var(--tpm-border);
    border-radius: var(--tpm-radius-sm);
    padding: 4px;
    margin-bottom: 24px;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
}

.tpm-plan-tabs::-webkit-scrollbar { display: none; }

.tpm-plan-tab {
    padding: 9px 18px;
    border: none;
    background: none;
    font-size: 14px;
    font-weight: 600;
    color: var(--tpm-text-muted);
    cursor: pointer;
    white-space: nowrap;
    border-radius: var(--tpm-radius-xs);
    transition: all .15s;
    font-family: var(--tpm-font);
    flex-shrink: 0;
}

.tpm-plan-tab:hover {
    color: var(--tpm-text);
    background: rgba(0,0,0,.04);
}

.tpm-plan-tab-active {
    color: var(--tpm-primary);
    background: var(--tpm-surface);
    box-shadow: 0 1px 4px rgba(0,0,0,.10);
}

/* Plan-Inhaltskarte */
.tpm-plan-content {
    background: var(--tpm-surface);
    border: 1px solid var(--tpm-border);
    border-radius: var(--tpm-radius);
    padding: 36px 40px;
    box-shadow: var(--tpm-shadow);
}

.hidden {
    display: none !important;
}

.tpm-plan-title {
    font-size: 22px !important;
    font-weight: 800 !important;
    color: var(--tpm-text) !important;
    margin: 0 0 24px !important;
    padding-bottom: 16px !important;
    border-bottom: 2px solid var(--tpm-border) !important;
    letter-spacing: -.01em !important;
}

/* WP-Editor-Inhalt */
.tpm-plan-text {
    font-size: 16px;
    line-height: 1.75;
    color: var(--tpm-text);
}

.tpm-plan-text h2,
.tpm-plan-text h3,
.tpm-plan-text h4 {
    color: var(--tpm-text);
    margin-top: 28px;
    margin-bottom: 12px;
    font-weight: 700;
    letter-spacing: -.01em;
}

.tpm-plan-text h2 { font-size: 20px; }
.tpm-plan-text h3 { font-size: 18px; }
.tpm-plan-text h4 { font-size: 16px; }

.tpm-plan-text ul,
.tpm-plan-text ol {
    padding-left: 22px;
    margin: 14px 0;
}

.tpm-plan-text li { margin-bottom: 7px; }
.tpm-plan-text strong { font-weight: 700; }
.tpm-plan-text em     { font-style: italic; }

.tpm-plan-text a {
    color: var(--tpm-primary);
    text-decoration: underline;
}

.tpm-plan-text img {
    max-width: 100%;
    height: auto;
    border-radius: var(--tpm-radius-sm);
}

.tpm-plan-text table {
    width: 100%;
    border-collapse: collapse;
    margin: 16px 0;
    font-size: 14px;
}

.tpm-plan-text td,
.tpm-plan-text th {
    padding: 10px 14px;
    border: 1px solid var(--tpm-border);
    text-align: left;
}

.tpm-plan-text th {
    background: var(--tpm-surface-alt);
    font-weight: 600;
}

/* ============================================================
   Videos
   ============================================================ */
.tpm-videos-section {
    margin-top: 36px;
    padding-top: 28px;
    border-top: 2px solid var(--tpm-border);
}

.tpm-videos-title {
    font-size: 17px !important;
    font-weight: 700 !important;
    color: var(--tpm-text) !important;
    margin: 0 0 20px !important;
    display: flex !important;
    align-items: center !important;
    gap: 8px !important;
}

.tpm-videos-title::before {
    content: '▶';
    color: var(--tpm-primary);
    font-size: 13px;
}

.tpm-videos-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 20px;
}

/* Video-Card */
.tpm-video-block {
    background: var(--tpm-surface-alt);
    border: 1px solid var(--tpm-border);
    border-radius: var(--tpm-radius-sm);
    overflow: hidden;
    transition: box-shadow .2s, transform .2s;
}

.tpm-video-block:hover {
    box-shadow: 0 6px 20px rgba(0,0,0,.10);
    transform: translateY(-2px);
}

.tpm-video-title {
    font-size: 14px !important;
    font-weight: 600 !important;
    color: var(--tpm-text) !important;
    margin: 0 !important;
    padding: 12px 14px 0 !important;
}

/* Video-Placeholder (Datenschutz: erst nach Klick laden) */
.tpm-video-placeholder {
    position: relative;
    width: 100%;
    padding-top: 56.25%;
    background: #1e293b;
    cursor: pointer;
    overflow: hidden;
    background-size: cover;
    background-position: center;
    transition: filter .2s;
}

.tpm-video-placeholder:hover {
    filter: brightness(1.08);
}

.tpm-video-placeholder:hover .tpm-play-btn {
    background: var(--tpm-primary-dark);
    transform: translate(-50%, -50%) scale(1.12);
    box-shadow: 0 6px 24px rgba(0,0,0,.4);
}

.tpm-video-vimeo {
    background: linear-gradient(135deg, #0d1b2a, #1ab7ea);
}

.tpm-play-btn {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 58px;
    height: 58px;
    background: var(--tpm-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 20px;
    padding-left: 4px;
    box-shadow: 0 4px 20px rgba(0,0,0,.4);
    transition: all .18s;
    z-index: 1;
    backdrop-filter: blur(2px);
}

.tpm-video-privacy-note {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(transparent, rgba(0,0,0,.75));
    color: #fff;
    font-size: 11px;
    padding: 20px 10px 8px;
    margin: 0;
    text-align: center;
    line-height: 1.4;
}

/* Geladenes Video (iframe) */
.tpm-video-iframe-wrap {
    position: relative;
    width: 100%;
    padding-top: 56.25%;
    overflow: hidden;
}

.tpm-video-iframe-wrap iframe {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    border: none;
}

/* Lokales HTML5-Video */
.tpm-video-player {
    width: 100%;
    max-height: 500px;
    display: block;
}

/* Leerer Zustand */
.tpm-plan-empty {
    text-align: center;
    color: var(--tpm-text-muted);
    padding: 60px 20px;
    font-size: 16px;
}

.tpm-plan-empty::before {
    content: '📋';
    display: block;
    font-size: 40px;
    margin-bottom: 12px;
}

/* Lade-Zustand */
.tpm-loading-state {
    text-align: center;
    padding: 60px 20px;
    color: var(--tpm-text-muted);
    font-size: 16px;
}

.tpm-loading-spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--tpm-border);
    border-top-color: var(--tpm-primary);
    border-radius: 50%;
    animation: tpm-spin .7s linear infinite;
    margin: 0 auto 16px;
}

/* ============================================================
   Responsive
   ============================================================ */
@media (max-width: 640px) {
    .tpm-access-form-wrap {
        min-height: 300px;
        align-items: flex-start;
        padding-top: 32px;
    }

    .tpm-access-card {
        padding: 36px 24px 28px;
    }

    .tpm-access-title {
        font-size: 22px !important;
    }

    .tpm-code-input {
        font-size: 22px;
        letter-spacing: .16em;
        padding: 14px 16px;
    }

    .tpm-plan-content {
        padding: 24px 20px;
    }

    .tpm-plan-main-title {
        font-size: 20px !important;
    }

    .tpm-videos-grid {
        grid-template-columns: 1fr;
    }

    .tpm-plan-tab {
        padding: 8px 14px;
        font-size: 13px;
    }

    .tpm-plan-header {
        flex-direction: row;
        align-items: center;
    }
}

@media (max-width: 400px) {
    .tpm-access-card {
        padding: 28px 18px 24px;
    }

    .tpm-access-title {
        font-size: 20px !important;
    }

    .tpm-plan-header {
        flex-direction: column;
        align-items: flex-start;
    }
}