/* ============================================================
   UniCarpool Auth Pages — login, register, lost/reset password
   ============================================================ */

/* Full-viewport centering wrap */
.ucp-auth-wrap {
    min-height: calc(100vh - 72px);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 40px 16px;
    background: var(--ucp-bg);
    box-sizing: border-box;
}

/* Card */
.ucp-auth-card {
    background: var(--ucp-card-bg);
    border: 1px solid var(--ucp-border);
    border-radius: 20px;
    box-shadow: 0 4px 32px rgba(18, 32, 17, .09);
    padding: 40px 36px;
    width: 100%;
    max-width: 420px;
    box-sizing: border-box;
}

/* Brand row */
.ucp-auth-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 28px;
}

.ucp-auth-brand img {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    object-fit: cover;
}

.ucp-auth-brand span {
    font-size: 1.125rem;
    font-weight: 800;
    color: var(--ucp-primary);
    letter-spacing: -0.02em;
}

/* Heading */
.ucp-auth-title {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--ucp-text);
    margin: 0 0 6px;
    line-height: 1.2;
}

/* Sub-heading */
.ucp-auth-sub {
    font-size: 0.875rem;
    color: var(--ucp-text-secondary);
    margin: 0 0 24px;
    line-height: 1.5;
}

/* Alert boxes */
.ucp-auth-alert {
    padding: 12px 14px;
    border-radius: 10px;
    font-size: 0.875rem;
    font-weight: 500;
    margin-bottom: 16px;
    line-height: 1.4;
}

.ucp-auth-alert--error {
    background: #fef2f2;
    color: #b91c1c;
    border: 1px solid #fecaca;
}

.ucp-auth-alert--success {
    background: var(--ucp-primary-light);
    color: #14532d;
    border: 1px solid rgba(27, 175, 82, .3);
}

/* Form */
.ucp-auth-form {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

/* Field */
.ucp-auth-field {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.ucp-auth-field label {
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--ucp-text-secondary);
}

.ucp-auth-field input[type="text"],
.ucp-auth-field input[type="email"],
.ucp-auth-field input[type="password"] {
    height: 46px;
    padding: 0 14px;
    border: 1.5px solid var(--ucp-border);
    border-radius: 10px;
    font-size: 0.9375rem;
    font-family: var(--ucp-font);
    color: var(--ucp-text);
    background: var(--ucp-bg);
    transition: border-color 0.15s, box-shadow 0.15s;
    box-sizing: border-box;
    width: 100%;
}

.ucp-auth-field input:focus {
    outline: none;
    border-color: var(--ucp-primary);
    box-shadow: 0 0 0 3px rgba(27, 175, 82, .14);
}

.ucp-auth-field input::placeholder {
    color: var(--ucp-text-muted);
}

/* Input + eye button wrapper */
.ucp-auth-input-wrap {
    position: relative;
}

.ucp-auth-input-wrap input {
    padding-right: 46px;
}

.ucp-auth-eye {
    position: absolute;
    right: 12px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    cursor: pointer;
    color: var(--ucp-text-muted);
    padding: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 4px;
    transition: color 0.15s;
    line-height: 1;
}

.ucp-auth-eye:hover {
    color: var(--ucp-text-secondary);
}

.ucp-auth-eye .material-symbols-outlined {
    font-size: 20px;
}

/* Remember me / forgot password row */
.ucp-auth-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: -4px;
}

.ucp-auth-check {
    display: flex;
    align-items: center;
    gap: 7px;
    font-size: 0.8125rem;
    color: var(--ucp-text-secondary);
    cursor: pointer;
    user-select: none;
}

.ucp-auth-check input[type="checkbox"] {
    width: 16px;
    height: 16px;
    accent-color: var(--ucp-primary);
    cursor: pointer;
}

/* Link style */
.ucp-auth-link {
    font-size: 0.8125rem;
    color: var(--ucp-primary);
    font-weight: 600;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 2px;
}

.ucp-auth-link:hover {
    color: var(--ucp-primary-hover);
    text-decoration: underline;
}

/* Primary submit button */
.ucp-auth-submit {
    width: 100%;
    height: 48px;
    border-radius: var(--ucp-radius-full);
    font-size: 0.9375rem;
    font-weight: 700;
    font-family: var(--ucp-font);
    background: var(--ucp-primary);
    color: #fff;
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    transition: background 0.15s, box-shadow 0.15s;
    box-shadow: var(--ucp-shadow-green);
    margin-top: 6px;
    letter-spacing: 0.01em;
}

.ucp-auth-submit:hover:not(:disabled) {
    background: var(--ucp-primary-hover);
    box-shadow: 0 4px 16px rgba(27, 175, 82, .4);
}

.ucp-auth-submit:disabled {
    opacity: 0.65;
    cursor: not-allowed;
}

/* Spinner inside button */
.ucp-auth-spinner {
    display: none;
    width: 18px;
    height: 18px;
    border: 2.5px solid rgba(255, 255, 255, .4);
    border-top-color: #fff;
    border-radius: 50%;
    animation: ucp-auth-spin 0.7s linear infinite;
    flex-shrink: 0;
}

@keyframes ucp-auth-spin {
    to { transform: rotate(360deg); }
}

/* Footer switch link */
.ucp-auth-footer {
    margin-top: 22px;
    text-align: center;
    font-size: 0.875rem;
    color: var(--ucp-text-secondary);
}

.ucp-auth-footer .ucp-auth-link {
    margin-left: 4px;
}

/* Password strength meter */
.ucp-auth-pw-strength {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-top: 6px;
}

.ucp-auth-pw-bar {
    flex: 1;
    height: 4px;
    background: var(--ucp-border);
    border-radius: 2px;
    overflow: hidden;
}

.ucp-auth-pw-fill {
    height: 100%;
    width: 0;
    border-radius: 2px;
    transition: width 0.3s ease, background 0.3s ease;
}

.ucp-auth-pw-fill.weak   { background: #ef4444; width: 33%; }
.ucp-auth-pw-fill.medium { background: #f59e0b; width: 66%; }
.ucp-auth-pw-fill.strong { background: var(--ucp-primary); width: 100%; }

#ucp-pw-label {
    font-size: 0.75rem;
    font-weight: 700;
    white-space: nowrap;
    min-width: 38px;
    color: var(--ucp-text-muted);
}

/* Mobile */
@media (max-width: 480px) {
    .ucp-auth-wrap { padding: 20px 12px; align-items: flex-start; padding-top: 32px; }
    .ucp-auth-card { padding: 24px 18px; border-radius: 16px; }
    .ucp-auth-title { font-size: 1.25rem; }

    /* font-size 16px previne zoom automático do iOS ao focar input */
    .ucp-auth-field input[type="text"],
    .ucp-auth-field input[type="email"],
    .ucp-auth-field input[type="password"] { font-size: 16px; }

    .ucp-auth-submit { height: 50px; font-size: 0.9rem; }
    .ucp-auth-brand  { margin-bottom: 20px; }
    .ucp-auth-form   { gap: 14px; }
}

@media (max-width: 360px) {
    .ucp-auth-card { padding: 20px 14px; }
}

/* ============================================================
   Dark mode
   ============================================================ */

[data-theme="dark"] .ucp-auth-card {
    background: #111811;
    border-color: #1e301e;
    box-shadow: 0 4px 32px rgba(0, 0, 0, .35);
}

[data-theme="dark"] .ucp-auth-title {
    color: #e5e2e1;
}

[data-theme="dark"] .ucp-auth-field input[type="text"],
[data-theme="dark"] .ucp-auth-field input[type="email"],
[data-theme="dark"] .ucp-auth-field input[type="password"] {
    background: #0d1a0d;
    border-color: #1e301e;
    color: #e5e2e1;
}

[data-theme="dark"] .ucp-auth-field input:focus {
    border-color: var(--ucp-primary);
    box-shadow: 0 0 0 3px rgba(27, 175, 82, .18);
}

[data-theme="dark"] .ucp-auth-alert--error {
    background: rgba(239, 68, 68, .1);
    color: #fca5a5;
    border-color: rgba(239, 68, 68, .3);
}

[data-theme="dark"] .ucp-auth-alert--success {
    background: rgba(27, 175, 82, .1);
    color: #6ee7a5;
    border-color: rgba(27, 175, 82, .25);
}

[data-theme="dark"] .ucp-auth-pw-bar {
    background: #1e301e;
}

/* ── Social Login ─────────────────────────────────────────────────────── */

.ucp-social-divider {
    display: flex;
    align-items: center;
    gap: 12px;
    margin: 20px 0 16px;
    font-size: .8125rem;
    color: var(--ucp-text-muted);
}

.ucp-social-divider::before,
.ucp-social-divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--ucp-border);
}

.ucp-social-buttons {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.ucp-social-btn {
    flex: 1;
    min-width: 0;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    height: 44px;
    padding: 0 16px;
    border-radius: 999px;
    font-size: .875rem;
    font-weight: 600;
    font-family: var(--ucp-font);
    text-decoration: none;
    cursor: pointer;
    border: 1.5px solid var(--ucp-border);
    background: var(--ucp-card-bg);
    color: var(--ucp-text);
    transition: background .15s, border-color .15s;
    white-space: nowrap;
}

.ucp-social-btn:hover { background: var(--ucp-surface-low); border-color: var(--ucp-text-secondary); }

.ucp-social-btn--google  { border-color: #dadce0; }
.ucp-social-btn--github  { color: var(--ucp-text); }
.ucp-social-btn--linkedin { border-color: #0077b5; color: #0077b5; }

[data-theme="dark"] .ucp-social-btn {
    background: var(--ucp-surface-mid);
    border-color: var(--ucp-border);
    color: var(--ucp-text);
}
[data-theme="dark"] .ucp-social-btn--linkedin { color: #5ea4d9; border-color: #5ea4d9; }
[data-theme="dark"] .ucp-social-btn:hover { background: var(--ucp-surface-high); }