/* =============================================================================
   KSS Appointment Booking – Modernes 4-Schritte-Design
   ============================================================================= */

/* ---- Variablen ---- */
:root {
    --kss-dark:    #0f0f0f;
    --kss-dark2:   #1a1a1a;
    --kss-green:   #22c55e;
    --kss-green2:  #16a34a;
    --kss-border:  #e5e7eb;
    --kss-bg:      #f9fafb;
    --kss-text:    #111827;
    --kss-muted:   #6b7280;
    --kss-radius:  14px;
    --kss-font:    -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

/* ---- Wrapper ---- */
.kss-booking-wrap {
    max-width: 820px;
    margin: 0 auto;
    background: #fff;
    border: 1px solid var(--kss-border);
    border-radius: var(--kss-radius);
    box-shadow: 0 2px 16px rgba(0,0,0,.07);
    font-family: var(--kss-font);
    font-size: 15px;
    color: var(--kss-text);
    overflow: hidden;
}

/* ---- Header ---- */
.kss-header {
    padding: 20px 28px 14px;
    border-bottom: 1px solid var(--kss-border);
}
.kss-header-title {
    margin: 0 0 2px;
    font-size: 17px;
    font-weight: 700;
    color: var(--kss-text);
}
.kss-header-step-label {
    margin: 0;
    font-size: 13px;
    color: var(--kss-muted);
}

/* ---- Fortschrittsbalken ---- */
.kss-progress-bar {
    height: 4px;
    background: var(--kss-border);
}
.kss-progress-fill {
    height: 100%;
    background: var(--kss-dark);
    transition: width .4s ease;
}

/* ---- Step-Tabs ---- */
.kss-step-tabs {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    border-bottom: 1px solid var(--kss-border);
}
.kss-step-tab {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 5px;
    padding: 14px 8px;
    cursor: default;
    color: var(--kss-muted);
    font-size: 12px;
    font-weight: 500;
    border-right: 1px solid var(--kss-border);
    background: var(--kss-bg);
    transition: background .2s;
}
.kss-step-tab:last-child { border-right: none; }
.kss-step-tab .kss-tab-icon svg { opacity: .4; transition: opacity .2s; }

.kss-step-tab.kss-tab-done {
    background: #f0fdf4;
    color: #16a34a;
}
.kss-step-tab.kss-tab-done .kss-tab-icon svg {
    opacity: 1;
    stroke: #16a34a;
}

.kss-step-tab.kss-tab-active {
    background: var(--kss-dark);
    color: #fff;
}
.kss-step-tab.kss-tab-active .kss-tab-icon svg {
    opacity: 1;
    stroke: #fff;
}

/* ---- Schritte allgemein ---- */
.kss-step { display: none; animation: kssFadeIn .22s ease; }
.kss-step-active { display: flex; flex-direction: column; }
@keyframes kssFadeIn {
    from { opacity: 0; transform: translateY(6px); }
    to   { opacity: 1; transform: translateY(0); }
}

.kss-step-body {
    padding: 28px 28px 16px;
    flex: 1;
}
.kss-step-heading {
    margin: 0 0 6px;
    font-size: 20px;
    font-weight: 700;
    color: var(--kss-text);
    text-align: center;
}
.kss-step-sub {
    margin: 0 0 24px;
    font-size: 14px;
    color: #16a34a;
    text-align: center;
    font-weight: 500;
}

/* ---- Step Footer ---- */
.kss-step-footer {
    display: flex;
    gap: 12px;
    padding: 16px 28px 20px;
    border-top: 1px solid var(--kss-border);
    background: var(--kss-bg);
}
.kss-btn-secondary {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 13px 20px;
    background: #fff;
    border: 1.5px solid var(--kss-border);
    border-radius: 10px;
    font-size: 15px;
    font-weight: 500;
    color: var(--kss-text);
    cursor: pointer;
    transition: background .15s, border-color .15s;
    font-family: var(--kss-font);
}
.kss-btn-secondary:hover:not(:disabled) { background: var(--kss-bg); border-color: #9ca3af; }
.kss-btn-secondary:disabled { opacity: .4; cursor: default; }

.kss-btn-primary {
    flex: 2;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 13px 20px;
    background: var(--kss-dark);
    border: none;
    border-radius: 10px;
    font-size: 15px;
    font-weight: 600;
    color: #fff;
    cursor: pointer;
    transition: background .15s, opacity .15s;
    font-family: var(--kss-font);
}
.kss-btn-primary:hover:not(:disabled) { background: #222; }
.kss-btn-primary:disabled { opacity: .45; cursor: not-allowed; }
.kss-btn-primary:active { transform: scale(.98); }

/* ---- Schritt 0: Service-Liste ---- */
.kss-service-list { display: flex; flex-direction: column; gap: 10px; }
.kss-service-card {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 16px 18px;
    border: 1.5px solid var(--kss-border);
    border-radius: 12px;
    cursor: pointer;
    transition: border-color .15s, box-shadow .15s, background .15s;
    background: #fff;
    outline: none;
}
.kss-service-card:hover { border-color: #9ca3af; box-shadow: 0 2px 10px rgba(0,0,0,.06); }
.kss-service-card:focus-visible { border-color: var(--kss-dark); box-shadow: 0 0 0 3px rgba(0,0,0,.12); }
.kss-service-card.kss-selected { border-color: var(--kss-dark); background: #f9f9f9; box-shadow: 0 2px 12px rgba(0,0,0,.1); }
.kss-service-card-body { display: flex; flex-direction: column; gap: 3px; }
.kss-service-name { font-size: 15px; font-weight: 600; color: var(--kss-text); }
.kss-service-desc { font-size: 13px; color: var(--kss-muted); }
.kss-service-duration { font-size: 14px; font-weight: 600; color: var(--kss-muted); white-space: nowrap; flex-shrink: 0; }

/* ---- Schritt 1: Datum-Grid ---- */
.kss-date-nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 16px;
}
.kss-date-nav-title { font-size: 15px; font-weight: 700; }
.kss-date-nav-btn {
    display: flex; align-items: center; justify-content: center;
    width: 36px; height: 36px;
    border: 1.5px solid var(--kss-border); border-radius: 50%;
    background: #fff; cursor: pointer; color: var(--kss-muted);
    font-size: 20px; transition: all .18s;
}
.kss-date-nav-btn:hover:not(:disabled) { background: var(--kss-dark); color: #fff; border-color: var(--kss-dark); }
.kss-date-nav-btn:disabled { opacity: .3; cursor: default; }

.kss-date-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 10px;
    margin-bottom: 20px;
}
/*
@media screen and (max-width:786px) {
    .kss-date-grid:not(.kss-date-grid#kss-date-grid) {
        display: flex;
        flex-direction: column;
        gap: 10px;
    }
}*/

.kss-date-card {
    display: flex; flex-direction: column; align-items: center; justify-content: center;
    gap: 2px; padding: 14px 10px;
    border: 1.5px solid var(--kss-border); border-radius: 12px;
    cursor: pointer; background: #fff; min-height: 80px;
    transition: border-color .15s, background .15s, box-shadow .15s;
    color: var(--kss-text);
}
.kss-date-card:hover { border-color: #9ca3af; box-shadow: 0 2px 8px rgba(0,0,0,.07); }
.kss-date-card.kss-selected { background: var(--kss-dark); border-color: var(--kss-dark); color: #fff; }
.kss-date-card.kss-selected .kss-dc-weekday,
.kss-date-card.kss-selected .kss-dc-month { color: rgba(255,255,255,.7); }
.kss-dc-weekday { font-size: 11px; font-weight: 700; text-transform: uppercase; letter-spacing: .07em; color: var(--kss-muted); }
.kss-dc-day { font-size: 26px; font-weight: 800; line-height: 1; }
.kss-dc-month { font-size: 12px; font-weight: 500; color: var(--kss-muted); }
.kss-date-nav-sub { font-size: 12px; font-weight: 500; color: var(--kss-muted); margin-left: 4px; }

.kss-selected-date-display {
    display: flex; flex-direction: column; align-items: center;
    padding: 14px 20px; background: var(--kss-bg);
    border-radius: 10px; border: 1px solid var(--kss-border); text-align: center; gap: 4px;
}
.kss-selected-date-label { font-size: 11px; text-transform: uppercase; letter-spacing: .07em; font-weight: 700; color: var(--kss-muted); }
.kss-selected-date-value { font-size: 17px; font-weight: 800; color: var(--kss-text); }

/* ---- Schritt 2: Slots ---- */
.kss-slots-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 10px;
}
.kss-slot {
    padding: 13px 8px; border: 1.5px solid var(--kss-border); border-radius: 10px;
    background: #fff; font-size: 14px; font-weight: 600; color: var(--kss-text);
    cursor: pointer; text-align: center; transition: all .15s; font-family: var(--kss-font);
}
.kss-slot:hover { border-color: #9ca3af; background: var(--kss-bg); }
.kss-slot.kss-slot-selected { background: var(--kss-dark) !important; border-color: var(--kss-dark) !important; color: #fff !important; }
.kss-loading, .kss-no-slots { color: var(--kss-muted); font-size: 14px; text-align: center; padding: 24px 0; grid-column: 1/-1; }
.kss-no-slots { font-style: italic; }

/* ---- Schritt 3: Formular ---- */
.kss-form-row { margin-bottom: 18px; }
.kss-form-row label { display: block; font-size: 14px; font-weight: 600; color: var(--kss-text); margin-bottom: 7px; }
.kss-required { color: #ef4444; }
.kss-form-row input,
.kss-form-row textarea {
    width: 100%; padding: 12px 14px; box-sizing: border-box;
    border: 1.5px solid var(--kss-border); border-radius: 10px;
    font-size: 14px; color: var(--kss-text); background: var(--kss-bg);
    font-family: var(--kss-font); transition: border-color .15s, box-shadow .15s;
}
.kss-form-row input:focus, .kss-form-row textarea:focus {
    outline: none; border-color: var(--kss-dark);
    box-shadow: 0 0 0 3px rgba(0,0,0,.06); background: #fff;
}
.kss-input-error { border-color: #ef4444 !important; }
.kss-field-error { font-size: 12px; color: #ef4444; margin-top: 4px; display: block; }
.kss-global-error {
    margin-top: 14px; padding: 12px 16px; background: #fef2f2;
    border: 1px solid #fecaca; border-radius: 8px; color: #dc2626; font-size: 13px;
}
.kss-btn-submit { width: 100%; }

/* ---- Bestätigung ---- */
.kss-success-wrap { text-align: center; padding: 52px 40px; }
.kss-success-icon {
    width: 68px; height: 68px; border-radius: 50%; background: #dcfce7; color: #16a34a;
    display: flex; align-items: center; justify-content: center; margin: 0 auto 20px;
}
.kss-success-wrap h3 { font-size: 23px; font-weight: 700; color: var(--kss-text); margin: 0 0 10px; }
.kss-success-wrap p { color: #374151; margin: 0 0 8px; font-size: 15px; }
.kss-success-hint { font-size: 13px; color: var(--kss-muted); margin-bottom: 28px !important; }
.kss-success-wrap .kss-btn-primary { display: inline-flex; flex: none; padding: 12px 28px; font-size: 15px; }

/* ---- Responsive ---- */
@media (max-width: 600px) {
    .kss-step-body { padding: 20px 16px 14px; }
    .kss-step-footer { padding: 14px 16px 18px; gap: 8px; }
    .kss-step-heading { font-size: 17px; }
    .kss-step-tab { padding: 10px 4px; gap: 3px; font-size: 11px; }
    .kss-date-grid { grid-template-columns: repeat(2, 1fr); }
    .kss-slots-grid { grid-template-columns: repeat(3, 1fr); }
    .kss-success-wrap { padding: 36px 20px; }
    .kss-date-nav-sub { display: inline-block; }
}