/**
 * StringMate - Frontend CSS
 * Versie: 1.0.0
 */

/* === VARIABELEN === */
:root {
    --sm-groen:       #1a5c2a;
    --sm-groen-licht: #2d8a45;
    --sm-groen-pale:  #e8f5ec;
    --sm-geel:        #f5c842;
    --sm-rood:        #c0392b;
    --sm-blauw:       #2980b9;
    --sm-grijs:       #6c757d;
    --sm-grijs-licht: #f4f6f8;
    --sm-border:      #dee2e6;
    --sm-tekst:       #212529;
    --sm-wit:         #ffffff;
    --sm-radius:      10px;
    --sm-schaduw:     0 2px 12px rgba(0,0,0,0.08);
    --sm-font:        'Segoe UI', system-ui, -apple-system, sans-serif;
}

/* === WRAPPER === */
.sm-wrapper {
    max-width: 680px;
    margin: 0 auto;
    padding: 0 16px 40px;
    font-family: var(--sm-font);
    color: var(--sm-tekst);
    line-height: 1.6;
}

/* === STAPPEN INDICATOR === */
.sm-stappen {
    display: flex;
    justify-content: space-between;
    margin-bottom: 32px;
    position: relative;
}
.sm-stappen::before {
    content: '';
    position: absolute;
    top: 18px;
    left: 10%;
    right: 10%;
    height: 2px;
    background: var(--sm-border);
    z-index: 0;
}
.sm-stap {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
    font-size: 12px;
    color: var(--sm-grijs);
    position: relative;
    z-index: 1;
    cursor: default;
}
.sm-stap span {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--sm-border);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    color: var(--sm-grijs);
    transition: all 0.3s ease;
}
.sm-stap.actief span {
    background: var(--sm-groen);
    color: var(--sm-wit);
    box-shadow: 0 0 0 4px var(--sm-groen-pale);
}
.sm-stap.actief {
    color: var(--sm-groen);
    font-weight: 600;
}
.sm-stap.klaar span {
    background: var(--sm-groen-licht);
    color: var(--sm-wit);
}

/* === STAP INHOUD === */
.sm-stap-inhoud {
    display: none;
}
.sm-stap-inhoud.actief {
    display: block;
    animation: smInfade 0.3s ease;
}
@keyframes smInfade {
    from { opacity: 0; transform: translateY(8px); }
    to   { opacity: 1; transform: translateY(0); }
}

.sm-stap-titel {
    font-size: 22px;
    font-weight: 700;
    margin: 0 0 24px;
    color: var(--sm-groen);
    padding-bottom: 12px;
    border-bottom: 2px solid var(--sm-groen-pale);
}

.sm-sub-titel {
    font-size: 16px;
    font-weight: 600;
    margin: 20px 0 12px;
    color: var(--sm-groen);
}

/* === VELDEN === */
.sm-veld {
    margin-bottom: 20px;
}
.sm-veld label {
    display: block;
    font-weight: 600;
    margin-bottom: 6px;
    font-size: 14px;
}
.sm-veld input[type="text"],
.sm-veld input[type="tel"],
.sm-veld input[type="email"],
.sm-veld input[type="date"],
.sm-veld input[type="number"],
.sm-veld textarea {
    width: 100%;
    padding: 12px 14px;
    border: 2px solid var(--sm-border);
    border-radius: var(--sm-radius);
    font-size: 16px;
    font-family: var(--sm-font);
    transition: border-color 0.2s ease;
    box-sizing: border-box;
    background: var(--sm-wit);
    color: var(--sm-tekst);
}
.sm-veld input:focus,
.sm-veld textarea:focus {
    outline: none;
    border-color: var(--sm-groen);
    box-shadow: 0 0 0 3px var(--sm-groen-pale);
}
.sm-ster { color: var(--sm-rood); }
.sm-optioneel { color: var(--sm-grijs); font-weight: normal; font-size: 12px; }

/* === KAARTEN (selecteerbare opties) === */
.sm-kaarten {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
    margin-bottom: 8px;
}
.sm-kaarten-klein {
    grid-template-columns: repeat(3, 1fr);
}
.sm-kaarten-2 {
    grid-template-columns: repeat(2, 1fr);
}
@media (max-width: 480px) {
    .sm-kaarten { grid-template-columns: 1fr 1fr; }
    .sm-kaarten-klein { grid-template-columns: 1fr 1fr 1fr; }
}
.sm-kaart {
    border: 2px solid var(--sm-border);
    border-radius: var(--sm-radius);
    padding: 14px 12px;
    text-align: center;
    cursor: pointer;
    transition: all 0.2s ease;
    background: var(--sm-wit);
    user-select: none;
}
.sm-kaart:hover {
    border-color: var(--sm-groen-licht);
    background: var(--sm-groen-pale);
}
.sm-kaart.geselecteerd {
    border-color: var(--sm-groen);
    background: var(--sm-groen-pale);
    box-shadow: 0 0 0 2px var(--sm-groen);
}
.sm-kaart-icoon {
    display: block;
    font-size: 24px;
    margin-bottom: 6px;
}
.sm-kaart-label {
    font-size: 13px;
    font-weight: 600;
    color: var(--sm-tekst);
    display: block;
}

/* === SNAAR KAARTEN === */
.sm-snaren-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 10px;
    margin: 12px 0;
}
.sm-snaar-kaart {
    border: 2px solid var(--sm-border);
    border-radius: var(--sm-radius);
    padding: 14px;
    cursor: pointer;
    transition: all 0.2s ease;
    background: var(--sm-wit);
}
.sm-snaar-kaart:hover {
    border-color: var(--sm-groen-licht);
    background: var(--sm-groen-pale);
}
.sm-snaar-kaart.geselecteerd {
    border-color: var(--sm-groen);
    background: var(--sm-groen-pale);
    box-shadow: 0 0 0 2px var(--sm-groen);
}
.sm-snaar-naam {
    font-weight: 700;
    font-size: 15px;
    margin-bottom: 4px;
}
.sm-snaar-beschrijving {
    font-size: 13px;
    color: var(--sm-grijs);
    margin-bottom: 8px;
}
.sm-snaar-labels {
    display: flex;
    flex-wrap: wrap;
    gap: 4px;
    margin-bottom: 8px;
}
.sm-label {
    font-size: 11px;
    padding: 2px 8px;
    border-radius: 20px;
    font-weight: 600;
    white-space: nowrap;
}
.sm-label.armvriendelijk { background: #d4edda; color: #155724; }
.sm-label.comfort        { background: #cce5ff; color: #004085; }
.sm-label.controle       { background: #fff3cd; color: #856404; }
.sm-label.blijft         { background: #f8d7da; color: #721c24; }

.sm-snaar-prijs {
    font-weight: 700;
    color: var(--sm-groen);
    font-size: 15px;
}
.sm-snaar-label {
    font-weight: 600;
    font-size: 14px;
    margin: 12px 0 6px;
    color: var(--sm-tekst);
}

/* === SCHAKELAAR (toggle) === */
.sm-hybride-toggle {
    margin: 14px 0;
}
.sm-schakelaar {
    display: flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
    font-weight: 600;
    font-size: 14px;
}
.sm-schakelaar input { display: none; }
.sm-schakelaar-slider {
    width: 46px;
    height: 26px;
    background: var(--sm-border);
    border-radius: 13px;
    position: relative;
    transition: background 0.2s ease;
    flex-shrink: 0;
}
.sm-schakelaar-slider::after {
    content: '';
    position: absolute;
    width: 20px;
    height: 20px;
    background: var(--sm-wit);
    border-radius: 50%;
    top: 3px;
    left: 3px;
    transition: transform 0.2s ease;
    box-shadow: 0 1px 3px rgba(0,0,0,0.2);
}
.sm-schakelaar input:checked + .sm-schakelaar-slider {
    background: var(--sm-groen);
}
.sm-schakelaar input:checked + .sm-schakelaar-slider::after {
    transform: translateX(20px);
}

/* === EXTRA OPTIES === */
.sm-extra-opties {
    margin: 20px 0;
    padding: 16px;
    background: var(--sm-grijs-licht);
    border-radius: var(--sm-radius);
}
.sm-checkbox-label {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 0;
    cursor: pointer;
    font-size: 14px;
}
.sm-checkbox-label input[type="checkbox"] {
    width: 18px;
    height: 18px;
    accent-color: var(--sm-groen);
    cursor: pointer;
}

/* === SECTIE TOGGLE === */
.sm-sectie-toggle {
    margin: 12px 0;
}
.sm-toggle-btn {
    background: none;
    border: none;
    color: var(--sm-blauw);
    font-size: 14px;
    cursor: pointer;
    padding: 0;
    font-family: var(--sm-font);
    font-weight: 600;
}
.sm-toggle-btn:hover {
    text-decoration: underline;
}

/* === VERBORGEN === */
.sm-verborgen { display: none !important; }

/* === KNOPPEN === */
.sm-knoppen {
    display: flex;
    gap: 10px;
    justify-content: space-between;
    margin-top: 28px;
    padding-top: 20px;
    border-top: 1px solid var(--sm-border);
}
.sm-knop {
    padding: 13px 24px;
    border: none;
    border-radius: var(--sm-radius);
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    font-family: var(--sm-font);
    transition: all 0.2s ease;
}
.sm-volgende,
.sm-verstuur {
    background: var(--sm-groen);
    color: var(--sm-wit);
    flex: 1;
}
.sm-volgende:hover,
.sm-verstuur:hover {
    background: var(--sm-groen-licht);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(26,92,42,0.25);
}
.sm-vorige {
    background: var(--sm-grijs-licht);
    color: var(--sm-grijs);
    border: 2px solid var(--sm-border);
}
.sm-vorige:hover {
    background: var(--sm-border);
}
.sm-knop:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

/* === SAMENVATTING === */
.sm-samenvatting {
    background: var(--sm-grijs-licht);
    border-radius: var(--sm-radius);
    padding: 16px;
    margin-bottom: 20px;
}
.sm-samenvatting-rij {
    display: flex;
    justify-content: space-between;
    padding: 6px 0;
    border-bottom: 1px solid var(--sm-border);
    font-size: 14px;
}
.sm-samenvatting-rij:last-child { border-bottom: none; }
.sm-samenvatting-label { color: var(--sm-grijs); }
.sm-samenvatting-waarde { font-weight: 600; }

/* === PRIJS OVERZICHT === */
.sm-prijs-overzicht {
    border: 2px solid var(--sm-groen-pale);
    border-radius: var(--sm-radius);
    overflow: hidden;
    margin-bottom: 20px;
}
.sm-prijs-overzicht h3 {
    background: var(--sm-groen);
    color: var(--sm-wit);
    margin: 0;
    padding: 12px 16px;
    font-size: 15px;
}
#sm-prijs-regels {
    padding: 4px 0;
}
.sm-prijs-regel {
    display: flex;
    justify-content: space-between;
    padding: 8px 16px;
    font-size: 14px;
    border-bottom: 1px solid var(--sm-border);
}
.sm-prijs-regel:last-child { border-bottom: none; }
.sm-prijs-totaal {
    display: flex;
    justify-content: space-between;
    padding: 12px 16px;
    background: var(--sm-groen-pale);
    font-weight: 700;
    font-size: 17px;
    color: var(--sm-groen);
    border-top: 2px solid var(--sm-groen-pale);
}

/* === BRIEFJE INSTRUCTIE === */
.sm-briefje-instructie {
    background: #fff8e1;
    border: 2px solid var(--sm-geel);
    border-radius: var(--sm-radius);
    padding: 16px 18px;
    margin: 20px 0;
}
.sm-briefje-instructie h3 {
    margin: 0 0 8px;
    font-size: 15px;
    color: #7a5c00;
}
.sm-briefje-instructie p { margin: 4px 0; font-size: 14px; }
.sm-briefje-instructie ul {
    margin: 8px 0 0 0;
    padding-left: 20px;
    font-size: 14px;
}
.sm-briefje-instructie li { margin-bottom: 4px; }

/* === FOUT MELDING === */
.sm-fout {
    background: #f8d7da;
    border: 1px solid #f5c6cb;
    border-radius: var(--sm-radius);
    padding: 12px 16px;
    color: #721c24;
    margin: 12px 0;
    font-size: 14px;
}
.sm-fout-blok {
    background: #f8d7da;
    border-radius: var(--sm-radius);
    padding: 20px;
    color: #721c24;
    text-align: center;
}

/* === SUCCES === */
.sm-succes {
    text-align: center;
    padding: 40px 20px;
}
.sm-succes-icoon {
    font-size: 60px;
    margin-bottom: 16px;
}
.sm-succes h2 {
    color: var(--sm-groen);
    font-size: 26px;
    margin-bottom: 12px;
}
.sm-succes p { font-size: 16px; color: var(--sm-grijs); }

/* === AFWEZIG === */
.sm-afwezig,
.sm-gesloten {
    background: var(--sm-grijs-licht);
    border: 2px solid var(--sm-border);
    border-radius: var(--sm-radius);
    padding: 24px;
    text-align: center;
    color: var(--sm-grijs);
}

/* === WIJZIG HEADER === */
.sm-wijzig-header {
    margin-bottom: 24px;
    padding-bottom: 16px;
    border-bottom: 2px solid var(--sm-groen-pale);
}
.sm-wijzig-header h2 { color: var(--sm-groen); }
.sm-let-op {
    background: #fff3cd;
    padding: 10px 14px;
    border-radius: var(--sm-radius);
    font-size: 13px;
    color: #856404;
    display: inline-block;
}

/* === SPOED BADGE === */
.sm-spoed-badge {
    display: inline-block;
    background: #fff3cd;
    color: #856404;
    font-size: 11px;
    padding: 2px 6px;
    border-radius: 4px;
    font-weight: 600;
}

/* === RESPONSIEF === */
@media (max-width: 600px) {
    .sm-wrapper { padding: 0 10px 30px; }
    .sm-stap { font-size: 10px; }
    .sm-stap span { width: 30px; height: 30px; font-size: 13px; }
    .sm-kaarten { grid-template-columns: 1fr 1fr; }
    .sm-knoppen { flex-direction: column; }
    .sm-vorige { order: 2; }
    .sm-volgende, .sm-verstuur { order: 1; }
    .sm-stap-titel { font-size: 19px; }
}

/* === MODUS KEUZE === */
.sm-modus-keuze { margin-bottom: 28px; }
#sm-formulier-wrapper .sm-modus-keuze .sm-kaarten {
    display: grid !important;
    grid-template-columns: 1fr 1fr !important;
    gap: 14px !important;
}
.sm-modus-kaart {
    border: 2px solid var(--sm-border) !important;
    border-radius: 14px !important;
    padding: 28px 20px !important;
    text-align: center !important;
    cursor: pointer !important;
    transition: all 0.25s ease !important;
    background: var(--sm-wit) !important;
    display: block !important;
}
.sm-modus-kaart:hover {
    border-color: var(--sm-groen) !important;
    background: var(--sm-groen-pale) !important;
    transform: translateY(-3px) !important;
    box-shadow: 0 6px 20px rgba(26,92,42,0.15) !important;
}
.sm-modus-kaart .sm-kaart-icoon {
    font-size: 40px !important;
    display: block !important;
    margin-bottom: 10px !important;
    line-height: 1 !important;
}
.sm-modus-kaart .sm-kaart-label {
    font-size: 18px !important;
    font-weight: 700 !important;
    display: block !important;
    margin-bottom: 6px !important;
    color: #1a5c2a !important;
}
.sm-modus-kaart .sm-kaart-sub {
    font-size: 13px !important;
    color: var(--sm-grijs) !important;
    display: block !important;
    line-height: 1.4 !important;
}

/* === SELECT === */
.sm-select {
    width: 100%;
    padding: 12px 14px;
    border: 2px solid var(--sm-border);
    border-radius: var(--sm-radius);
    font-size: 16px;
    font-family: var(--sm-font);
    background: var(--sm-wit);
    color: var(--sm-tekst);
    transition: border-color 0.2s;
    appearance: auto;
}
.sm-select:focus {
    outline: none;
    border-color: var(--sm-groen);
    box-shadow: 0 0 0 3px var(--sm-groen-pale);
}