/* Spezielle Styles für die Trainingszonen-Rechner-Seite */

/* Hero-Bereich */
.hero-zonen {
    background-image: url('../../bilder/duathlon.jpg');
    background-position: center center;
    background-size: cover;
}

.hero-subtitle-full {
    max-width: 100% !important;
}

/* Section Labels und Intro - Links ausgerichtet */
.section-label-left {
    text-align: left !important;
}

.section-intro-left {
    text-align: left !important;
}

/* Rechner-Container */
.zonen-calculator {
    background: linear-gradient(135deg, rgba(155, 204, 204, 0.08) 0%, rgba(94, 122, 138, 0.05) 100%);
    border: 2px solid var(--color-gray-blue-light);
    border-radius: 16px;
    padding: 3rem;
    margin: 3rem auto;
    max-width: 800px;
}

/* Anweisungen */
.calculator-instructions {
    background: white;
    border-left: 4px solid var(--color-turquoise-light);
    border-radius: 8px;
    padding: 1.5rem 2rem;
    margin-bottom: 2rem;
}

.calculator-instructions p {
    font-size: 1rem;
    line-height: 1.7;
    color: var(--color-navy);
    margin: 0 0 1rem 0;
}

.calculator-instructions p:last-child {
    margin-bottom: 0;
}

/* ---------- Tabs ---------- */
.zonen-tabs {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 2rem;
    border-bottom: 2px solid var(--color-gray-blue-light);
    flex-wrap: wrap;
}

.zonen-tab {
    flex: 1 1 auto;
    min-width: 120px;
    padding: 1rem 1.25rem;
    background: transparent;
    border: 2px solid transparent;
    border-bottom: none;
    border-radius: 8px 8px 0 0;
    font-family: var(--font-display);
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-blue-gray);
    cursor: pointer;
    transition: all 0.3s ease;
    margin-bottom: -2px;
}

.zonen-tab:hover {
    background: rgba(155, 204, 204, 0.15);
    color: var(--color-navy);
}

.zonen-tab:focus-visible {
    outline: 3px solid var(--color-link);
    outline-offset: 2px;
}

.zonen-tab[aria-selected="true"] {
    background: white;
    border-color: var(--color-gray-blue-light);
    border-bottom: 2px solid white;
    color: var(--color-navy);
}

.zonen-panel[hidden] {
    display: none;
}

/* ---------- Formular ---------- */
.zonen-calculator .form-group {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    margin-bottom: 1.5rem;
}

/* display:flex wuerde das hidden-Attribut sonst ueberstimmen. */
.zonen-calculator .form-group[hidden] {
    display: none;
}

.zonen-calculator .form-group label {
    font-family: var(--font-display);
    font-weight: 600;
    color: var(--color-navy);
    font-size: 1rem;
}

.zonen-calculator .form-input,
.zonen-calculator .form-select {
    padding: 1rem 1.25rem;
    border: 2px solid var(--color-gray-blue-light);
    border-radius: 8px;
    font-family: var(--font-body);
    font-size: 1rem;
    transition: all 0.3s ease;
    background: white;
    color: var(--color-black);
    width: 100%;
    box-sizing: border-box;
}

.zonen-calculator .form-input::placeholder {
    color: var(--color-gray-brown);
    opacity: 0.6;
}

.zonen-calculator .form-input:focus,
.zonen-calculator .form-select:focus {
    outline: none;
    border-color: var(--color-turquoise-light);
    box-shadow: 0 0 0 3px rgba(155, 204, 204, 0.25);
}

.form-hint {
    font-size: 0.85rem;
    color: var(--color-gray-brown);
    font-style: italic;
    margin-top: -0.5rem;
}

/* Optionale Felder etwas absetzen */
.form-group-optional {
    border-left: 3px solid rgba(155, 204, 204, 0.5);
    padding-left: 1rem;
}

/* Berechnen-Button */
.calculator-button {
    width: 100%;
    margin-top: 1rem;
    padding: 1.3rem 3rem;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    border: none;
}

/* ---------- Ergebnis ---------- */
.calculator-result {
    margin-top: 2.5rem;
    padding-top: 2rem;
    border-top: 2px solid var(--color-gray-blue-light);
}

.calculator-result:empty {
    margin-top: 0;
    padding-top: 0;
    border-top: none;
}

.result-content {
    background: white;
    border-radius: 12px;
    padding: 2rem;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

.result-title {
    font-family: var(--font-display);
    font-size: 1.5rem;
    color: var(--color-navy);
    margin-bottom: 0.75rem;
    text-align: center;
}

.result-method {
    text-align: center;
    font-size: 0.95rem;
    color: var(--color-blue-gray);
    margin-bottom: 1.5rem;
}

.result-method strong {
    color: var(--color-navy);
}

/* Anker-Kennzahl über der Tabelle */
.result-anchor {
    background: linear-gradient(135deg, rgba(155, 204, 204, 0.15) 0%, rgba(94, 122, 138, 0.1) 100%);
    border-left: 6px solid var(--color-turquoise-light);
    border-radius: 8px;
    padding: 1.25rem 1.5rem;
    margin-bottom: 1.75rem;
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
}

.result-label {
    font-family: var(--font-display);
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--color-blue-gray);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.result-value {
    font-family: var(--font-display);
    font-size: 2.2rem;
    font-weight: 700;
    color: var(--color-navy);
    line-height: 1.2;
}

/* Zonen-Liste */
.zone-list {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.zone-card {
    border: 2px solid var(--color-gray-blue-light);
    border-left-width: 6px;
    border-radius: 8px;
    padding: 1.25rem 1.5rem;
    background: white;
}

.zone-card-head {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    gap: 1rem;
    flex-wrap: wrap;
    margin-bottom: 0.5rem;
}

.zone-name {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 1.05rem;
    color: var(--color-navy);
    overflow-wrap: anywhere;
}

.zone-share {
    font-size: 0.85rem;
    color: var(--color-gray-brown);
    overflow-wrap: anywhere;
}

.zone-range {
    font-family: var(--font-display);
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--color-navy);
    line-height: 1.25;
    margin-bottom: 0.5rem;
    overflow-wrap: anywhere;
}

.zone-purpose {
    font-size: 0.95rem;
    line-height: 1.6;
    color: var(--color-black);
    margin: 0;
}

.zone-duration {
    font-size: 0.85rem;
    color: var(--color-gray-brown);
    font-style: italic;
    margin: 0.5rem 0 0 0;
}

/* Zweitzeile in der Zonen-Angabe, z.B. Watt pro Kilogramm */
.zone-range-sub {
    font-size: 0.72em;
    font-weight: 600;
    color: var(--color-blue-gray);
}

/* Nur fuer Screenreader */
.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* Farbcodierung der Zonen nach ihrem Charakter, unabhaengig vom Modell */
.zone-f-ruhe      { border-left-color: #a8c6c6; }
.zone-f-grundlage { border-left-color: #5e9c9c; }
.zone-f-tempo     { border-left-color: #5e7a8a; }
.zone-f-schwelle  { border-left-color: #c98a4b; }
.zone-f-vo2       { border-left-color: #b5533f; }
.zone-f-anaerob   { border-left-color: #8a3a52; }
.zone-f-neuro     { border-left-color: #4d2a5c; }

/* Zone 2 hervorheben */
.zone-card-featured {
    background: linear-gradient(135deg, rgba(155, 204, 204, 0.16) 0%, rgba(94, 122, 138, 0.08) 100%);
    box-shadow: 0 4px 12px rgba(94, 122, 138, 0.12);
}

.zone-note {
    font-size: 0.9rem;
    margin: 0.75rem 0 0 0;
    color: var(--color-navy);
}

.zone-note a {
    color: var(--color-link);
    font-weight: 600;
}

.zone-note a:hover {
    color: var(--color-link-hover);
}

/* Fehler */
.result-error {
    background: #f8d7da;
    color: #721c24;
    border: 2px solid #f5c6cb;
    border-radius: 8px;
    padding: 1.5rem;
    text-align: center;
    font-weight: 500;
    font-size: 1rem;
    margin: 0;
}

.result-disclaimer {
    text-align: center;
    font-size: 0.9rem;
    color: var(--color-gray-brown);
    margin-top: 1.5rem;
    font-style: italic;
}

/* Warnung bei geschätztem Maximalpuls */
.result-warning {
    background: #fff4e0;
    border: 2px solid #f0c987;
    border-left-width: 6px;
    border-radius: 8px;
    padding: 1rem 1.25rem;
    margin-bottom: 1.5rem;
    font-size: 0.92rem;
    line-height: 1.6;
    color: #6b4a12;
}

.result-warning strong {
    color: #5a3d0c;
}

/* Hinweis-Box */
.calculator-note {
    background: linear-gradient(135deg, rgba(155, 204, 204, 0.1) 0%, rgba(94, 122, 138, 0.05) 100%);
    border-left: 4px solid var(--color-turquoise-light);
    border-radius: 8px;
    padding: 1.5rem 2rem;
    margin: 2rem auto 0;
    max-width: 800px;
}

.calculator-note p {
    font-size: 0.95rem;
    line-height: 1.7;
    color: var(--color-navy);
    margin: 0;
}

.calculator-note strong {
    color: var(--color-navy);
    font-weight: 600;
}

/* Erklärtext unter dem Rechner */
.zonen-erklaerung {
    max-width: 800px;
    margin: 3rem auto 0;
}

.zonen-erklaerung h3 {
    font-family: var(--font-display);
    font-size: 1.3rem;
    color: var(--color-navy);
    margin: 2rem 0 0.75rem;
}

.zonen-erklaerung p,
.zonen-erklaerung li {
    font-size: 1rem;
    line-height: 1.75;
    color: var(--color-black);
}

.zonen-erklaerung ul {
    padding-left: 1.5rem;
}

.zonen-erklaerung li {
    margin-bottom: 0.6rem;
}

.zonen-erklaerung a {
    color: var(--color-link);
    font-weight: 600;
}

.zonen-erklaerung a:hover {
    color: var(--color-link-hover);
}

/* Tabelle mit Prozentbereichen */
.zonen-tabelle-wrap {
    overflow-x: auto;
    margin: 1.5rem 0;
    -webkit-overflow-scrolling: touch;
}

.zonen-tabelle {
    width: 100%;
    border-collapse: collapse;
    min-width: 560px;
    font-size: 0.95rem;
}

.zonen-tabelle th,
.zonen-tabelle td {
    padding: 0.85rem 1rem;
    text-align: left;
    border-bottom: 1px solid var(--color-gray-blue-light);
}

.zonen-tabelle th {
    font-family: var(--font-display);
    font-weight: 600;
    color: var(--color-navy);
    background: rgba(155, 204, 204, 0.15);
}

.zonen-tabelle tbody tr:nth-child(even) {
    background: rgba(192, 209, 217, 0.12);
}

/* ---------- Mobile ---------- */
@media (max-width: 768px) {
    .section-intro-left,
    .content-section h2 {
        word-wrap: break-word;
        overflow-wrap: break-word;
        hyphens: auto;
        -webkit-hyphens: auto;
    }

    .content-section h2 {
        line-height: 1.3 !important;
    }

    .zonen-calculator {
        padding: 2rem 1.5rem;
        margin: 2rem 0;
    }

    .calculator-instructions {
        padding: 1.2rem 1.5rem;
        margin-bottom: 1.5rem;
    }

    .calculator-instructions p {
        font-size: 0.95rem;
        line-height: 1.6;
        overflow-wrap: break-word;
    }

    .zonen-tab {
        min-width: 0;
        flex: 1 1 30%;
        padding: 0.85rem 0.6rem;
        font-size: 0.9rem;
    }

    .zonen-calculator .form-group {
        margin-bottom: 1.2rem;
    }

    .zonen-calculator .form-group label {
        font-size: 0.95rem;
    }

    .zonen-calculator .form-input,
    .zonen-calculator .form-select {
        padding: 0.9rem 1rem;
        font-size: 1rem;
    }

    .form-hint {
        font-size: 0.8rem;
    }

    .calculator-button {
        padding: 1.1rem 2rem;
        font-size: 1rem;
    }

    .calculator-result {
        margin-top: 2rem;
        padding-top: 1.5rem;
    }

    .result-content {
        padding: 1.5rem;
    }

    .result-title {
        font-size: 1.3rem;
    }

    .result-value {
        font-size: 1.9rem;
    }

    .zone-card {
        padding: 1.1rem 1.2rem;
    }

    .zone-range {
        font-size: 1.4rem;
    }

    .calculator-note {
        padding: 1.2rem 1.5rem;
        margin-top: 1.5rem;
    }

    .calculator-note p {
        font-size: 0.9rem;
    }
}

@media (max-width: 480px) {
    .section-intro-left {
        font-size: 0.95rem !important;
        line-height: 1.6 !important;
    }

    .content-section h2 {
        font-size: clamp(1.2rem, 8vw, 1.6rem) !important;
        line-height: 1.3 !important;
    }

    .zonen-calculator {
        padding: 1.5rem 1rem;
    }

    .calculator-instructions {
        padding: 1rem 1.2rem;
    }

    .calculator-instructions p {
        font-size: 0.9rem;
    }

    .zonen-tabs {
        gap: 0.25rem;
    }

    .zonen-tab {
        font-size: 0.82rem;
        padding: 0.75rem 0.4rem;
    }

    .result-content {
        padding: 1.2rem;
    }

    .result-title {
        font-size: 1.2rem;
    }

    .result-value {
        font-size: 1.7rem;
    }

    .zone-range {
        font-size: 1.25rem;
    }

    .zone-card {
        padding: 1rem;
    }
}