/* ==========================================================================
   Form — shared form widget styling (Sprint 2 Faza C)
   Canonical home for .form-group, .form-row, .form-section, .form-actions,
   .form-help, .form-control, .form-label, plus native input/textarea/select
   restyle. Replaces fragmented copies in app.css, my-ads.css, contact.css,
   investors.css, editorial-static.css.
   ========================================================================== */

/* ----- Layout primitives ---------------------------------------------- */
.form-group {
    margin-bottom: 18px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 18px;
}

.form-row-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 18px;
}

@media (max-width: 640px) {
    .form-row,
    .form-row-3 { grid-template-columns: 1fr; }
}

.form-section {
    margin-bottom: 32px;
}

.form-section + .form-section {
    padding-top: 32px;
    border-top: 1px solid var(--hairline);
}

.form-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    align-items: center;
    margin-top: 28px;
    padding-top: 24px;
    border-top: 1px solid var(--hairline);
}

/* ----- Labels --------------------------------------------------------- */
.form-label,
.form-group label {
    display: block;
    margin-bottom: 8px;
    font-family: var(--font-body);
    font-size: 0.7rem;
    font-weight: 500;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--taupe);
}

.form-label--required::after,
.form-group label.required::after {
    content: ' *';
    color: var(--terracotta);
}

/* ----- Inputs --------------------------------------------------------- */
.form-control,
.form-group input[type="text"],
.form-group input[type="email"],
.form-group input[type="password"],
.form-group input[type="tel"],
.form-group input[type="number"],
.form-group input[type="search"],
.form-group input[type="url"],
.form-group input[type="date"],
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 14px;
    background: var(--cream);
    border: 1px solid var(--hairline-strong);
    border-radius: 4px;
    font-family: var(--font-body);
    font-size: 0.95rem;
    color: var(--ink);
    outline: none;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.form-control:focus,
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--terracotta);
    box-shadow: 0 0 0 3px rgba(184, 117, 92, 0.15);
}

.form-control::placeholder,
.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--taupe);
    opacity: 0.6;
}

.form-group textarea {
    min-height: 120px;
    resize: vertical;
}

/* Select with custom caret */
.form-control[type="select"],
.form-group select {
    padding-right: 38px;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%237A6E64' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
}

/* ----- Helpers -------------------------------------------------------- */
.form-help,
.form-text {
    margin: 8px 0 0;
    font-family: var(--font-body);
    font-size: 0.78rem;
    color: var(--taupe);
    line-height: 1.5;
}

/* ----- Validation states ---------------------------------------------- */
.form-group.has-error .form-control,
.form-group.has-error input,
.form-group.has-error textarea,
.form-group.has-error select,
.form-control.is-invalid,
.is-invalid {
    border-color: #B85044;
}

.form-group.has-error .form-control:focus,
.is-invalid:focus {
    box-shadow: 0 0 0 3px rgba(184, 80, 68, 0.15);
}

.invalid-feedback,
.form-error {
    display: block;
    margin: 6px 0 0;
    font-family: var(--font-body);
    font-size: 0.78rem;
    color: #B85044;
}

/* ----- Native checkbox + radio refinement ----------------------------- */
.form-check {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 10px;
    cursor: pointer;
}

.form-check-input,
.form-group input[type="checkbox"],
.form-group input[type="radio"] {
    appearance: none;
    -webkit-appearance: none;
    width: 16px;
    height: 16px;
    margin: 0;
    flex-shrink: 0;
    background: var(--warm-white);
    border: 1px solid var(--hairline-strong);
    cursor: pointer;
    position: relative;
    transition: border-color 0.15s, background-color 0.15s;
}

.form-check-input[type="checkbox"],
.form-group input[type="checkbox"] { border-radius: 3px; }

.form-check-input[type="radio"],
.form-group input[type="radio"] { border-radius: 50%; }

.form-check-input:checked,
.form-group input[type="checkbox"]:checked,
.form-group input[type="radio"]:checked {
    background: var(--terracotta);
    border-color: var(--terracotta);
}

.form-check-input[type="checkbox"]:checked::after,
.form-group input[type="checkbox"]:checked::after {
    content: '';
    position: absolute;
    left: 4px;
    top: 1px;
    width: 5px;
    height: 9px;
    border: solid var(--warm-white);
    border-width: 0 1.5px 1.5px 0;
    transform: rotate(45deg);
}

.form-check-input[type="radio"]:checked::after,
.form-group input[type="radio"]:checked::after {
    content: '';
    position: absolute;
    inset: 3px;
    background: var(--warm-white);
    border-radius: 50%;
}

.form-check-label {
    font-family: var(--font-body);
    font-size: 0.92rem;
    color: var(--ink);
    text-transform: none;
    letter-spacing: 0;
    margin: 0;
    cursor: pointer;
}

/* --------------------------------------------------------------------------
   Honeypot — accessibility-friendly anti-spam field.
   Visually hidden ali NE `display:none` (botovi često skipuju display:none).
   Canonical home za sve forme sa anti-spam-om (contact, investors, security,
   comments). Ne duplikovati u page CSS — koristi ovu klasu direktno. */
.honeypot-field {
    position: absolute;
    left: -9999px;
    height: 0;
    width: 0;
    overflow: hidden;
}