/* ===================================================
   form.css — styling formulir pendaftaran tentor
   Memakai design token dari style.css (warna, radius,
   shadow, font). File style.css tidak diubah sama sekali.
=================================================== */

/* ===== Mini hero khusus form ===== */
.form-hero {
    position: relative;
    background: var(--teal-900);
    padding: 44px 24px 70px;
    overflow: hidden;
}

.form-hero-inner {
    max-width: 720px;
    margin: 0 auto;
    position: relative;
    z-index: 2;
    text-align: center;
}

.form-hero h1 {
    color: white;
    font-size: clamp(26px, 3.6vw, 36px);
    margin: 10px 0 12px;
}

.form-hero p {
    color: #B9CFCB;
    font-size: 14.5px;
    max-width: 480px;
    margin: 0 auto;
}

.form-hero .hero-curve { position: absolute; bottom: -1px; left: 0; right: 0; z-index: 1; line-height: 0; }

/* ===== Layout shell ===== */
.form-section { padding-top: 8px; }

.form-shell {
    max-width: 720px;
    margin: -34px auto 0;
    position: relative;
    z-index: 3;
}

/* ===== Stepper ===== */
.stepper {
    display: flex;
    justify-content: space-between;
    position: relative;
    margin-bottom: 32px;
    background: var(--paper);
    border-radius: var(--radius-lg);
    padding: 20px 22px 14px;
    box-shadow: var(--shadow);
}

.stepper::before {
    content: '';
    position: absolute;
    top: 34px;
    left: 12%;
    right: 12%;
    height: 2px;
    background: var(--line);
    z-index: 0;
}

.step {
    position: relative;
    z-index: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 7px;
    flex: 1;
}

.step .dot {
    width: 30px;
    height: 30px;
    border-radius: 50%;
    background: var(--paper);
    border: 2px solid var(--line);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-size: 12.5px;
    color: var(--ink-soft);
    font-family: 'Nunito', sans-serif;
    transition: all 0.25s ease;
}

.step span {
    font-size: 10.5px;
    font-weight: 600;
    color: var(--ink-soft);
    text-align: center;
    max-width: 76px;
    line-height: 1.25;
}

.step.active .dot { background: var(--teal-800); border-color: var(--teal-800); color: white; }
.step.active span { color: var(--teal-800); font-weight: 700; }
.step.done .dot { background: var(--teal-400); border-color: var(--teal-400); color: white; }

/* ===== Form card ===== */
.form-card {
    background: var(--paper);
    border-radius: var(--radius-lg);
    padding: 30px 26px 26px;
    box-shadow: var(--shadow);
    border-left: 4px solid var(--teal-400);
}

.form-card h3 {
    font-size: 19px;
    margin-bottom: 4px;
}

.step-desc {
    color: var(--ink-soft);
    font-size: 13.5px;
    margin: 0 0 24px;
}

/* ===== Fields ===== */
.field { margin-bottom: 20px; }

.field label {
    display: block;
    font-weight: 600;
    font-size: 13.5px;
    color: var(--ink);
    margin-bottom: 8px;
    font-family: 'Poppins', sans-serif;
}

.field label .req { color: var(--coral-dark); }
.field label .opt { color: var(--ink-soft); font-weight: 400; font-size: 12px; }

.field input[type="text"],
.field input[type="tel"],
.field textarea,
.field select {
    width: 100%;
    padding: 12px 14px;
    border-radius: var(--radius-md);
    border: 1.5px solid var(--line);
    font-family: 'Poppins', sans-serif;
    font-size: 14px;
    color: var(--ink);
    background: var(--cream);
    transition: border-color 0.2s ease, background 0.2s ease;
}

.field select {
    appearance: none;
    -webkit-appearance: none;
    cursor: pointer;
    padding-right: 40px;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%235C716E' stroke-width='2.4' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 14px center;
}

.field input:focus,
.field textarea:focus,
.field select:focus {
    outline: none;
    border-color: var(--teal-400);
    background: var(--paper);
}

.field input.field-error,
.field select.field-error {
    border-color: var(--coral-dark);
}

.field textarea { resize: vertical; min-height: 80px; }

.hint { font-size: 12px; color: var(--ink-soft); margin-top: 6px; }

/* ===== Choice groups (checkbox / radio) ===== */
.choice-group { display: flex; flex-direction: column; gap: 8px; }
.choice-group.row { flex-direction: row; flex-wrap: wrap; }

.choice-item {
    display: flex;
    align-items: center;
    gap: 11px;
    padding: 12px 14px;
    border: 1.5px solid var(--line);
    border-radius: var(--radius-md);
    background: var(--cream);
    font-size: 13.5px;
    font-weight: 500;
    color: var(--ink);
    cursor: pointer;
    transition: border-color 0.18s ease, background 0.18s ease, color 0.18s ease;
}

.choice-item.is-checked {
    border-color: var(--teal-400);
    background: var(--teal-tint);
    color: var(--teal-800);
    font-weight: 600;
}

/* Custom checkbox */
.choice-item input[type="checkbox"] {
    appearance: none;
    -webkit-appearance: none;
    width: 18px;
    height: 18px;
    margin: 0;
    flex-shrink: 0;
    border: 1.5px solid var(--line);
    border-radius: 5px;
    background: var(--paper);
    display: grid;
    place-content: center;
    cursor: pointer;
    transition: border-color 0.15s ease, background 0.15s ease;
}
.choice-item input[type="checkbox"]::after {
    content: "";
    width: 10px;
    height: 10px;
    border-radius: 2px;
    background: var(--teal-600);
    transform: scale(0);
    transition: transform 0.15s ease;
}
.choice-item input[type="checkbox"]:checked {
    border-color: var(--teal-600);
    background: var(--paper);
}
.choice-item input[type="checkbox"]:checked::after { transform: scale(1); }

/* Custom radio */
.choice-item input[type="radio"] {
    appearance: none;
    -webkit-appearance: none;
    width: 18px;
    height: 18px;
    margin: 0;
    flex-shrink: 0;
    border: 1.5px solid var(--line);
    border-radius: 50%;
    background: var(--paper);
    display: grid;
    place-content: center;
    cursor: pointer;
    transition: border-color 0.15s ease;
}
.choice-item input[type="radio"]::after {
    content: "";
    width: 9px;
    height: 9px;
    border-radius: 50%;
    background: var(--teal-600);
    transform: scale(0);
    transition: transform 0.15s ease;
}
.choice-item input[type="radio"]:checked { border-color: var(--teal-600); }
.choice-item input[type="radio"]:checked::after { transform: scale(1); }

.choice-item:focus-within {
    border-color: var(--teal-400);
    box-shadow: 0 0 0 3px rgba(47, 191, 175, 0.18);
}

/* ===== Subgroup (jenjang muncul saat kategori dicentang) ===== */
.subgroup {
    margin-top: 10px;
    padding: 14px 16px;
    border-left: 3px solid var(--amber);
    background: #FDF6E9;
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
    display: none;
}
.subgroup.show { display: block; }

.subgroup .subtitle {
    font-size: 11px;
    font-weight: 700;
    color: #9A6A16;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 10px;
}

/* ===== Upload ===== */
.upload-box {
    border: 2px dashed var(--line);
    border-radius: var(--radius-md);
    padding: 24px 16px;
    text-align: center;
    background: var(--cream);
    cursor: pointer;
    transition: border-color 0.2s ease;
}
.upload-box:hover { border-color: var(--teal-400); }

.upload-box svg { color: var(--teal-600); margin-bottom: 8px; }
.upload-box .up-title { font-weight: 600; font-size: 13.5px; color: var(--ink); }
.upload-box .up-sub { font-size: 11.5px; color: var(--ink-soft); margin-top: 4px; }

.file-list { margin-top: 12px; display: flex; flex-direction: column; gap: 6px; }
.file-chip {
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: var(--teal-tint);
    border-radius: 8px;
    padding: 8px 12px;
    font-size: 12.5px;
    font-weight: 600;
    color: var(--teal-800);
}
.file-chip button {
    background: none;
    border: none;
    color: var(--ink-soft);
    cursor: pointer;
    font-size: 13px;
    padding: 0 2px;
}

/* ===== Nav buttons ===== */
.form-nav {
    display: flex;
    justify-content: space-between;
    margin-top: 28px;
}

.btn-ghost {
    background: transparent;
    color: var(--ink-soft);
    border: 1.5px solid var(--line);
}
.btn-ghost:hover { border-color: var(--teal-400); color: var(--teal-800); }

.btn-next {
    background: var(--teal-900);
    color: white;
}
.btn-next:hover { background: var(--teal-800); }
.btn-next:disabled { opacity: 0.5; cursor: not-allowed; }

.form-nav .btn[hidden] { display: none; }

/* ===== Success panel ===== */
.success-panel {
    display: none;
    text-align: center;
    padding: 44px 24px;
    background: var(--paper);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
}
.success-panel.show { display: block; }

.success-panel .check {
    width: 64px;
    height: 64px;
    border-radius: 50%;
    background: var(--teal-tint);
    color: var(--teal-800);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 18px;
    font-size: 28px;
    font-weight: 800;
}

.success-panel h3 { margin-bottom: 8px; }
.success-panel p { color: var(--ink-soft); max-width: 380px; margin: 0 auto 22px; font-size: 14px; }

.wa-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: #25D366;
    color: white !important;
}
.wa-btn:hover { background: #1FB859; }

.back-link {
    display: block;
    margin-top: 18px;
    font-size: 13px;
    color: var(--ink-soft);
    font-weight: 500;
}
.back-link:hover { color: var(--teal-800); }

@media (max-width: 620px) {
    .form-shell { padding: 0 16px; }
    .form-card { padding: 24px 18px 20px; }
    .stepper { padding: 16px 12px 12px; }
    .step span { display: none; }
}

@media (prefers-reduced-motion: reduce) {
    .choice-item, .step .dot, .upload-box img { transition: none; }
}