/* =========================================
   AmbTrack — Registration Page Styles
   Extends the base design system
   ========================================= */

/* Google Places autocomplete dropdown */
.pac-container {
    z-index: 9999 !important;
    border-radius: 8px;
    border: 1px solid var(--slate-200);
    box-shadow: 0 8px 24px rgba(15, 23, 42, 0.12);
    font-family: var(--sans);
    margin-top: 4px;
}
.pac-item {
    padding: 8px 12px;
    font-size: 14px;
    cursor: pointer;
}
.pac-item:hover,
.pac-item-selected {
    background: var(--slate-50);
}
.pac-item-query {
    font-size: 14px;
    color: var(--slate-900);
}
.pac-matched {
    font-weight: 600;
}

.register-hero {
    padding: 140px 0 32px;
    text-align: center;
}

.register-form {
    max-width: 520px;
    margin: 0 auto;
    padding: 0 0 96px;
}

/* Form groups */
.form-group {
    margin-bottom: 20px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.form-group label {
    display: block;
    font-family: var(--sans);
    font-size: 13px;
    font-weight: 600;
    color: var(--slate-700);
    margin-bottom: 6px;
    letter-spacing: .01em;
}

.form-input,
.form-select {
    width: 100%;
    padding: 11px 14px;
    font-family: var(--sans);
    font-size: 15px;
    color: var(--slate-900);
    background: var(--white);
    border: 1px solid var(--slate-300);
    border-radius: var(--r-sm);
    transition: border-color .2s, box-shadow .2s;
    outline: none;
    appearance: none;
}

.form-select {
    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='%2394A3B8' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    padding-right: 40px;
}

.form-input:focus,
.form-select:focus {
    border-color: var(--slate-900);
    box-shadow: 0 0 0 3px rgba(15, 23, 42, 0.06);
}

.form-input.error,
.form-select.error {
    border-color: var(--red);
    box-shadow: 0 0 0 3px rgba(220, 38, 38, 0.06);
}

.form-input::placeholder {
    color: var(--slate-400);
}

.form-error {
    display: none;
    font-size: 12px;
    color: var(--red);
    margin-top: 4px;
}

.form-error.visible {
    display: block;
}

.form-hint {
    font-size: 12px;
    color: var(--slate-400);
    margin-top: 4px;
}

.match-hint {
    display: none;
    font-size: 12px;
    margin-top: 4px;
}
.match-hint.match { display: block; color: var(--green); }
.match-hint.no-match { display: block; color: var(--red); }

/* Role fieldsets */
.role-fields {
    border: 1px solid var(--slate-200);
    border-radius: var(--r-md);
    padding: 24px;
    margin: 28px 0;
    animation: fadeUp .3s ease;
}

.role-fields legend {
    font-family: var(--mono);
    font-size: 11px;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: .1em;
    color: var(--red);
    padding: 0 8px;
}

/* Password strength */
.password-wrapper {
    position: relative;
}

.password-toggle {
    position: absolute;
    right: 12px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    cursor: pointer;
    color: var(--slate-400);
    padding: 4px;
}

.password-toggle:hover {
    color: var(--slate-600);
}

.password-strength {
    height: 3px;
    border-radius: 2px;
    margin-top: 8px;
    background: var(--slate-200);
    overflow: hidden;
}

.password-strength-bar {
    height: 100%;
    border-radius: 2px;
    transition: width .3s, background .3s;
    width: 0;
}

.password-reqs {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4px 16px;
    margin-top: 8px;
}

.password-req {
    font-size: 11px;
    color: var(--slate-400);
    display: flex;
    align-items: center;
    gap: 4px;
    transition: color .2s;
}

.password-req.met {
    color: var(--green);
}

.password-req::before {
    content: '';
    width: 4px;
    height: 4px;
    border-radius: 50%;
    background: currentColor;
    flex-shrink: 0;
}

/* File upload */
.file-upload-area {
    border: 2px dashed var(--slate-300);
    border-radius: var(--r-sm);
    padding: 28px;
    text-align: center;
    cursor: pointer;
    transition: border-color .2s, background .2s;
}

.file-upload-area:hover {
    border-color: var(--slate-500);
    background: var(--slate-50);
}

.file-upload-area.dragover {
    border-color: var(--red);
    background: var(--red-bg);
}

.file-upload-area.has-file {
    border-style: solid;
    border-color: var(--green);
    background: var(--green-bg);
}

.file-upload-icon {
    color: var(--slate-400);
    margin-bottom: 8px;
}

.file-upload-text {
    font-size: 14px;
    color: var(--slate-500);
}

.file-upload-text strong {
    color: var(--red);
    font-weight: 600;
}

.file-upload-hint {
    font-size: 12px;
    color: var(--slate-400);
    margin-top: 4px;
}

.file-upload-preview {
    display: none;
    align-items: center;
    gap: 12px;
    margin-top: 12px;
}

.file-upload-preview.visible {
    display: flex;
}

.file-upload-preview img {
    width: 48px;
    height: 48px;
    border-radius: var(--r-sm);
    object-fit: cover;
}

.file-upload-preview span {
    font-size: 13px;
    color: var(--slate-600);
}

/* Checkbox */
.form-checkbox {
    display: flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
    font-size: 14px;
    color: var(--slate-700);
}

.form-checkbox input[type="checkbox"] {
    width: 18px;
    height: 18px;
    accent-color: var(--red);
    cursor: pointer;
}

/* Zone chips */
.zone-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.zone-chip {
    padding: 8px 16px;
    border: 1px solid var(--slate-200);
    border-radius: var(--r-sm);
    font-size: 13px;
    font-weight: 500;
    color: var(--slate-500);
    cursor: pointer;
    transition: all .15s;
    user-select: none;
}

.zone-chip:hover {
    border-color: var(--slate-400);
}

.zone-chip.selected {
    background: var(--slate-900);
    color: var(--white);
    border-color: var(--slate-900);
}

/* Shift selector */
.shift-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 8px;
}

.shift-option {
    padding: 10px;
    border: 1px solid var(--slate-200);
    border-radius: var(--r-sm);
    text-align: center;
    font-size: 13px;
    cursor: pointer;
    transition: all .15s;
}

.shift-option:hover {
    border-color: var(--slate-400);
}

.shift-option.selected {
    background: var(--slate-900);
    color: var(--white);
    border-color: var(--slate-900);
}

.shift-option small {
    display: block;
    font-size: 10px;
    opacity: .7;
    margin-top: 2px;
}

/* GPS button */
.gps-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 14px;
    font-family: var(--sans);
    font-size: 13px;
    font-weight: 500;
    color: var(--slate-600);
    background: var(--slate-100);
    border: 1px solid var(--slate-200);
    border-radius: var(--r-sm);
    cursor: pointer;
    transition: all .15s;
    margin-top: 8px;
}

.gps-btn:hover {
    background: var(--slate-200);
}

.gps-btn.success {
    background: var(--green-bg);
    color: var(--green);
    border-color: var(--green);
}

/* Submit button */
.register-submit {
    width: 100%;
    justify-content: center;
    margin-top: 28px;
    font-size: 16px;
    padding: 14px 28px;
}

.register-submit:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none !important;
}

/* Form divider */
.form-divider {
    display: flex;
    align-items: center;
    gap: 16px;
    margin: 28px 0;
    color: var(--slate-400);
    font-size: 13px;
}

.form-divider::before,
.form-divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--slate-200);
}

/* Footer link */
.form-footer {
    text-align: center;
    margin-top: 20px;
    font-size: 14px;
    color: var(--slate-500);
}

.form-footer a {
    color: var(--red);
    text-decoration: none;
    font-weight: 600;
}

.form-footer a:hover {
    text-decoration: underline;
}

/* Server error banner */
.form-banner {
    display: none;
    padding: 12px 16px;
    border-radius: var(--r-sm);
    font-size: 14px;
    margin-bottom: 20px;
    align-items: center;
    gap: 10px;
}

.form-banner.visible {
    display: flex;
}

.form-banner.error {
    background: var(--red-bg);
    color: var(--red);
    border: 1px solid rgba(220, 38, 38, 0.15);
}

.form-banner.success {
    background: var(--green-bg);
    color: var(--green);
    border: 1px solid rgba(5, 150, 105, 0.15);
}

/* OTP Modal */
.otp-overlay {
    position: fixed;
    inset: 0;
    background: rgba(15, 23, 42, 0.6);
    backdrop-filter: blur(8px);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 200;
}

.otp-overlay.visible {
    display: flex;
}

.otp-modal {
    background: var(--white);
    border-radius: var(--r-lg);
    padding: 40px;
    max-width: 440px;
    width: 90%;
    text-align: center;
    animation: fadeUp .35s ease;
}

.otp-modal h3 {
    font-size: 22px;
    margin-bottom: 6px;
}

.otp-modal p {
    font-size: 14px;
    color: var(--slate-500);
    margin-bottom: 24px;
}

.otp-section {
    margin-bottom: 24px;
    padding-bottom: 24px;
    border-bottom: 1px solid var(--slate-200);
}

.otp-section:last-of-type {
    border-bottom: none;
    margin-bottom: 0;
    padding-bottom: 0;
}

.otp-section-label {
    font-family: var(--mono);
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: .1em;
    color: var(--slate-500);
    margin-bottom: 12px;
}

.otp-inputs {
    display: flex;
    gap: 8px;
    justify-content: center;
    margin-bottom: 12px;
}

.otp-inputs input {
    width: 44px;
    height: 52px;
    text-align: center;
    font-family: var(--mono);
    font-size: 20px;
    font-weight: 500;
    border: 1.5px solid var(--slate-300);
    border-radius: var(--r-sm);
    outline: none;
    color: var(--slate-900);
    transition: border-color .2s;
}

.otp-inputs input:focus {
    border-color: var(--slate-900);
    box-shadow: 0 0 0 3px rgba(15, 23, 42, 0.06);
}

.otp-verify-btn {
    width: 100%;
    justify-content: center;
    margin-top: 12px;
}

.otp-resend {
    font-size: 13px;
    color: var(--slate-400);
    margin-top: 8px;
}

.otp-resend button {
    background: none;
    border: none;
    color: var(--red);
    font-weight: 600;
    cursor: pointer;
    font-size: 13px;
    font-family: var(--sans);
}

.otp-resend button:disabled {
    color: var(--slate-300);
    cursor: not-allowed;
}

.otp-status {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-family: var(--mono);
    font-size: 12px;
    padding: 4px 12px;
    border-radius: 100px;
    margin-bottom: 12px;
}

.otp-status.pending {
    background: var(--amber-bg);
    color: var(--amber);
}

.otp-status.verified {
    background: var(--green-bg);
    color: var(--green);
}

.otp-done {
    display: none;
    text-align: center;
    padding: 20px 0;
}

.otp-done.visible {
    display: block;
}

.otp-done h3 {
    color: var(--green);
    margin-bottom: 8px;
}

/* Responsive */
@media (max-width: 600px) {
    .register-hero { padding-top: 110px; }
    .register-form { padding-left: 0; padding-right: 0; }
    .form-row { grid-template-columns: 1fr; }
    .password-reqs { grid-template-columns: 1fr; }
    .shift-grid { grid-template-columns: 1fr; }
    .otp-modal { padding: 28px 20px; }
    .otp-inputs input { width: 38px; height: 46px; font-size: 18px; }
}