/**
 * Auth Page Styles
 *
 * Styling for login, signup, and child selector UI.
 * Uses Snappy Design System variables.
 */

/* ==========================================================================
   Auth Page Layout
   ========================================================================== */

/* Brand-purple gradient wrapper — matches the enterprise login page
   (.enterprise-login). Stays a full-viewport scroll container with a
   hidden scrollbar so a tall card scrolls cleanly on short viewports. */
.auth-page {
    display: none;
    position: fixed;
    inset: 0;
    background: var(--snappy-brand-primary-dark);
    background-image:
        radial-gradient(ellipse 80% 60% at 50% 0%, rgba(206, 93, 254, 0.12) 0%, transparent 60%),
        radial-gradient(circle at 20% 80%, rgba(199, 188, 255, 0.06) 0%, transparent 40%);
    justify-content: center;
    padding: var(--snappy-space-6);
    box-sizing: border-box;
    z-index: 1000;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    -ms-overflow-style: none;
}

/* Subtle grain texture overlay (matches .enterprise-login::before).
   position: fixed so it covers the viewport while the card scrolls. */
.auth-page::before {
    content: '';
    position: fixed;
    inset: 0;
    background: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.03'/%3E%3C/svg%3E");
    pointer-events: none;
    z-index: 0;
}

body.auth-page-open {
    overflow: hidden;
}

.auth-page::-webkit-scrollbar {
    display: none;
}

/* Centered white card — matches .enterprise-login__card.
   Centering via margin:auto (not align-items:center) keeps the card top
   reachable when it's taller than the viewport. */
.auth-container {
    position: relative;
    z-index: 1;
    background: var(--snappy-white);
    border-radius: var(--snappy-radius-2xl);
    box-shadow:
        0 4px 24px rgba(0, 0, 0, 0.25),
        0 0 0 1px rgba(255, 255, 255, 0.05);
    padding: 2.5rem;
    width: 100%;
    max-width: 420px;
    text-align: center;
    margin: auto;
    animation: cardAppear 0.5s cubic-bezier(0.16, 1, 0.3, 1) both;
}

@keyframes cardAppear {
    from {
        opacity: 0;
        transform: translateY(12px) scale(0.98);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.auth-logo {
    width: 80px;
    height: auto;
    margin-bottom: 0.75rem;
}

.auth-container h1 {
    font-family: var(--snappy-font-primary), sans-serif;
    font-size: 1.75rem;
    color: var(--snappy-brand-primary-dark);
    margin-bottom: 1.5rem;
}

/* SNAPPY wordmark — Magnetron logo treatment matching the enterprise
   sign-in page (.enterprise-login__brand). Scoped to beat the base
   .auth-container h1 rule above. */
.auth-container h1.auth-brand {
    font-family: var(--snappy-font-logo), var(--snappy-font-primary), sans-serif;
    font-size: var(--snappy-text-subheading);
    font-weight: bold;
    color: var(--snappy-brand-primary-dark);
    text-transform: uppercase;
    letter-spacing: 0.04em;
    margin: 0 0 0.25rem 0;
}

/* Tagline under the wordmark — matches .enterprise-login__subtitle.
   font-family set explicitly (enterprise inherits it from .enterprise-login;
   the family auth page has no such ancestor rule). */
.auth-subtitle {
    font-family: var(--snappy-font-primary), sans-serif;
    font-size: 0.9rem;
    color: var(--snappy-gray-500);
    margin: 0 0 2rem 0;
    font-weight: var(--snappy-font-weight-normal);
}

/* ==========================================================================
   Auth Forms
   ========================================================================== */

.auth-form {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.auth-form input {
    width: 100%;
    padding: 0.875rem 1rem;
    font-family: var(--snappy-font-primary), sans-serif;
    font-size: 1rem;
    border: 2px solid var(--snappy-gray-300);
    border-radius: 0.75rem;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
    box-sizing: border-box;
}

.auth-form input:focus {
    outline: none;
    border-color: var(--snappy-brand-primary);
    box-shadow: 0 0 0 3px var(--snappy-brand-primary-very-light);
}

.auth-form input::placeholder {
    color: var(--snappy-gray-500);
}

.auth-form button[type="submit"] {
    padding: 1rem;
    font-family: var(--snappy-font-primary), sans-serif;
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--snappy-white);
    background: var(--snappy-brand-primary);
    border: none;
    border-radius: 0.75rem;
    cursor: pointer;
    transition: background-color 0.2s ease, transform 0.1s ease;
}

.auth-form button[type="submit"]:hover {
    background: var(--snappy-brand-primary-dark);
}

.auth-form button[type="submit"]:active {
    transform: scale(0.98);
}

.auth-form button[type="submit"]:disabled {
    background: var(--snappy-gray-300);
    cursor: not-allowed;
}

.auth-form p {
    font-family: var(--snappy-font-primary), sans-serif;
    font-size: 0.875rem;
    color: var(--snappy-gray-700);
    margin-top: 0.5rem;
}

.auth-form p a {
    color: var(--snappy-brand-primary);
    text-decoration: none;
    font-weight: 600;
}

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

/* Error messages */
.auth-error {
    color: var(--snappy-error);
    font-size: 0.875rem;
    text-align: left;
    min-height: 1.25rem;
}

/* Password requirements hint */
.password-hint {
    font-family: var(--snappy-font-primary), sans-serif;
    font-size: 0.75rem;
    color: var(--snappy-gray-500);
    text-align: left;
    margin-top: -0.5rem;
    margin-bottom: 0.5rem;
}

/* Email confirmation success message */
.email-confirmation-message {
    text-align: center;
    padding: 1rem 0;
}

.email-confirmation-message .confirmation-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.email-confirmation-message h2 {
    font-family: var(--snappy-font-primary), sans-serif;
    font-size: 1.5rem;
    color: var(--snappy-success);
    margin-bottom: 1rem;
}

.email-confirmation-message p {
    font-family: var(--snappy-font-primary), sans-serif;
    font-size: 1rem;
    color: var(--snappy-gray-700);
    margin-bottom: 0.5rem;
}

.email-confirmation-message .confirmation-email {
    color: var(--snappy-brand-primary-dark);
    font-size: 1.1rem;
    margin-bottom: 1rem;
}

.back-to-login-btn {
    margin-top: 1.5rem;
    padding: 0.875rem 1.5rem;
    font-family: var(--snappy-font-primary), sans-serif;
    font-size: 1rem;
    font-weight: 600;
    color: var(--snappy-brand-primary);
    background: transparent;
    border: 2px solid var(--snappy-brand-primary);
    border-radius: 0.75rem;
    cursor: pointer;
    transition: all 0.2s ease;
}

.back-to-login-btn:hover {
    background: var(--snappy-brand-primary);
    color: var(--snappy-white);
}

/* ==========================================================================
   Child Selector Modal
   ========================================================================== */

.child-selector-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(34, 22, 79, 0.85);
    justify-content: center;
    align-items: center;
    z-index: 1001;
}

.child-selector-modal {
    position: relative;
    background: var(--snappy-white);
    padding: 2rem;
    border-radius: 1.5rem;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    width: 100%;
    max-width: 500px;
    text-align: center;
}

/* Modal close button - matches delete button style */
.modal-close-btn {
    position: absolute;
    top: 1rem;
    right: 1rem;
    width: 28px;
    height: 28px;
    padding: 0;
    border: none;
    border-radius: 50%;
    background: transparent;
    color: var(--snappy-gray-500);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
    opacity: 0.6;
}

.modal-close-btn:hover {
    background: var(--snappy-gray-100);
    color: var(--snappy-gray-700);
    opacity: 1;
}

.modal-close-btn:focus {
    outline: 2px solid var(--snappy-brand-primary);
    outline-offset: 2px;
}

.child-selector-modal h2 {
    font-family: var(--snappy-font-primary), sans-serif;
    font-size: 1.5rem;
    color: var(--snappy-brand-primary-dark);
    margin-bottom: 1.5rem;
}

/* Child profiles grid */
.child-profiles-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.child-profile-card {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 1.25rem 1rem 2.5rem;  /* Extra bottom padding for delete button */
    background: var(--snappy-brand-primary-very-light);
    border: 2px solid transparent;
    border-radius: 1rem;
    cursor: pointer;
    transition: all 0.2s ease;
}

.child-profile-card:hover {
    border-color: var(--snappy-brand-primary);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(181, 101, 243, 0.2);
}

.child-profile-card--self {
    background: var(--snappy-gray-100);
}

.child-profile-avatar {
    width: 64px;
    height: 64px;
    border-radius: 50%;
    background: var(--snappy-brand-primary-light);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 0.75rem;
    overflow: hidden;
}

.child-profile-avatar .avatar-emoji {
    font-size: 2rem;
}

.child-profile-avatar .avatar-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.child-profile-name {
    font-family: var(--snappy-font-primary), sans-serif;
    font-size: 1rem;
    font-weight: 600;
    color: var(--snappy-brand-primary-dark);
}

.child-profile-level {
    font-size: 0.75rem;
    color: var(--snappy-gray-600);
    margin-top: 0.25rem;
}

/* Delete button in child profile card */
.child-profile-card__delete-btn {
    position: absolute;
    bottom: 0.5rem;
    left: 50%;
    transform: translateX(-50%);
    width: 28px;
    height: 28px;
    padding: 0;
    border: none;
    border-radius: 50%;
    background: transparent;
    color: var(--snappy-gray-500);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
    opacity: 0.6;
}

.child-profile-card__delete-btn:hover {
    background: rgba(211, 63, 73, 0.1);
    color: var(--snappy-semantic-error);
    opacity: 1;
}

.child-profile-card__delete-btn:focus {
    outline: 2px solid var(--snappy-semantic-error);
    outline-offset: 2px;
}

.child-profile-card__delete-btn:disabled {
    opacity: 0.3;
    cursor: not-allowed;
}

/* Add child button */
#addChildBtn {
    width: 100%;
    padding: 0.875rem;
    font-family: var(--snappy-font-primary), sans-serif;
    font-size: 1rem;
    font-weight: 600;
    color: var(--snappy-brand-primary);
    background: transparent;
    border: 2px dashed var(--snappy-brand-primary-light);
    border-radius: 0.75rem;
    cursor: pointer;
    transition: all 0.2s ease;
}

#addChildBtn:hover {
    background: var(--snappy-brand-primary-very-light);
    border-color: var(--snappy-brand-primary);
}

/* Add child form */
#addChildForm {
    display: none;
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid var(--snappy-gray-200);
}

#addChildForm input {
    width: 100%;
    padding: 0.875rem 1rem;
    font-family: var(--snappy-font-primary), sans-serif;
    font-size: 1rem;
    border: 2px solid var(--snappy-gray-300);
    border-radius: 0.75rem;
    margin-bottom: 1rem;
    box-sizing: border-box;
}

#addChildForm input:focus {
    outline: none;
    border-color: var(--snappy-brand-primary);
    box-shadow: 0 0 0 3px var(--snappy-brand-primary-very-light);
}

#addChildForm button[type="submit"] {
    width: 100%;
    padding: 0.875rem;
    font-family: var(--snappy-font-primary), sans-serif;
    font-size: 1rem;
    font-weight: 600;
    color: var(--snappy-white);
    background: var(--snappy-success);
    border: none;
    border-radius: 0.75rem;
    cursor: pointer;
    transition: background-color 0.2s ease;
}

#addChildForm button[type="submit"]:hover {
    background: #059669;
}

/* Avatar Selection Grid */
.avatar-selection-label {
    display: block;
    font-family: var(--snappy-font-primary), sans-serif;
    font-weight: 600;
    font-size: 0.875rem;
    color: var(--snappy-brand-primary-dark);
    margin-bottom: 0.75rem;
    text-align: left;
}

.avatar-selection-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0.75rem;
    margin-bottom: 1rem;
}

.avatar-option {
    aspect-ratio: 1;
    border: 3px solid transparent;
    border-radius: 50%;
    cursor: pointer;
    overflow: hidden;
    transition: all 0.2s ease;
    background: var(--snappy-brand-primary-very-light);
}

.avatar-option:hover {
    border-color: var(--snappy-brand-primary-light);
    transform: scale(1.05);
}

.avatar-option.selected {
    border-color: var(--snappy-brand-primary);
    box-shadow: 0 0 0 3px rgba(181, 101, 243, 0.3);
}

.avatar-option img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* ==========================================================================
   Logout Button (in header)
   Note: Now uses .icon-btn--logout class in app.html for icon button styling
   ========================================================================== */

/* ==========================================================================
   User Info Display
   ========================================================================== */

.user-info {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.user-avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--snappy-brand-primary-light);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
}

.user-name {
    font-family: var(--snappy-font-primary), sans-serif;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--snappy-brand-primary-dark);
}

/* ==========================================================================
   Social Login
   ========================================================================== */

.auth-divider {
    display: flex;
    align-items: center;
    margin: 1.25rem 0;
}

.auth-divider::before,
.auth-divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--snappy-gray-300);
}

.auth-divider span {
    padding: 0 1rem;
    font-family: var(--snappy-font-primary), sans-serif;
    font-size: 0.875rem;
    color: var(--snappy-gray-500);
    white-space: nowrap;
}

.social-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    width: 100%;
    padding: 0.875rem 1rem;
    font-family: var(--snappy-font-primary), sans-serif;
    font-size: 1rem;
    font-weight: 600;
    color: var(--snappy-gray-700);
    background: var(--snappy-white);
    border: 2px solid var(--snappy-gray-300);
    border-radius: 0.75rem;
    cursor: pointer;
    transition: all 0.2s ease;
}

.social-btn:hover {
    border-color: var(--snappy-gray-500);
    background: var(--snappy-gray-50);
    transform: translateY(-1px);
}

.social-btn:active {
    transform: translateY(0);
}

.social-btn svg {
    flex-shrink: 0;
}

.social-btn--google:hover {
    border-color: #4285F4;
    box-shadow: 0 2px 8px rgba(66, 133, 244, 0.2);
}

/* ==========================================================================
   Forgot Password
   ========================================================================== */

.forgot-password-link {
    text-align: right;
    margin-top: -0.5rem;
    margin-bottom: 0.25rem;
}

.forgot-password-link a {
    font-family: var(--snappy-font-primary), sans-serif;
    font-size: 0.875rem;
    color: var(--snappy-gray-600);
    text-decoration: none;
    transition: color 0.2s ease;
}

.forgot-password-link a:hover {
    color: var(--snappy-brand-primary);
    text-decoration: underline;
}

.auth-instruction {
    font-family: var(--snappy-font-primary), sans-serif;
    font-size: 0.9rem;
    color: var(--snappy-gray-600);
    margin-bottom: 1rem;
    text-align: left;
    line-height: 1.5;
}

.auth-success {
    color: var(--snappy-success);
    font-family: var(--snappy-font-primary), sans-serif;
    font-size: 0.875rem;
    text-align: left;
    min-height: 1.25rem;
    margin-bottom: 0.5rem;
}

/* Reset Password Form */
#resetPasswordForm h2 {
    font-family: var(--snappy-font-primary), sans-serif;
    font-size: 1.25rem;
    color: var(--snappy-brand-primary-dark);
    margin-bottom: 1rem;
    text-align: left;
}

/* ==========================================================================
   Responsive
   ========================================================================== */

@media (max-width: 768px) {
    .auth-page {
        padding: 1.25rem;
    }

    .auth-container {
        max-width: 400px;
    }

    .child-selector-modal {
        max-width: 440px;
        padding: 1.75rem;
    }

    .child-profile-avatar {
        width: 56px;
        height: 56px;
    }

    .child-profile-avatar .avatar-emoji {
        font-size: 1.75rem;
    }

    .modal-container {
        max-width: 440px;
        margin: 0 1rem;
    }

    .modal-container--small {
        max-width: 360px;
    }

    .avatar-selection-grid {
        gap: 0.5rem;
    }
}

@media (max-width: 600px) {
    .auth-page {
        padding: var(--snappy-space-4);
    }

    .auth-container {
        padding: 2rem 1.75rem;
        border-radius: 1.25rem;
        max-width: none;
    }

    .auth-subtitle {
        margin-bottom: 1.5rem;
    }

    .child-selector-modal {
        max-width: 400px;
        padding: 1.5rem;
    }

    .child-profiles-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 0.75rem;
    }

    .child-profile-card {
        padding: 1rem 0.75rem 2.25rem;
    }

    .social-btn {
        padding: 0.75rem 1rem;
        font-size: 0.925rem;
    }
}

@media (max-width: 480px) {
    .auth-page {
        padding: 0;
    }

    .auth-container {
        margin: 0;
        max-width: 100%;
        padding: 2rem 1.5rem;
        border-radius: 0;
        box-shadow: none;
        min-height: 100vh;
    }

    .auth-container h1 {
        font-size: 1.5rem;
    }

    .auth-container h1.auth-brand {
        font-size: 1.2rem;
    }

    .auth-logo {
        width: 64px;
    }

    .child-selector-modal {
        margin: 1rem;
        padding: 1.5rem;
    }

    .child-profiles-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .modal-container {
        margin: 0 0.75rem;
    }

    .modal-header {
        padding: 1.25rem 1.25rem 0;
    }

    .modal-body {
        padding: 0.75rem 1.25rem;
    }

    .modal-footer {
        padding: 0 1.25rem 1.25rem;
    }
}

@media (max-width: 360px) {
    .auth-container {
        padding: 1.5rem 1.25rem;
        margin: 0;
    }

    .auth-container h1 {
        font-size: 1.35rem;
    }

    .auth-container h1.auth-brand {
        font-size: 1.1rem;
    }

    .child-selector-modal {
        padding: 1.25rem;
        margin: 0.5rem;
    }

    .child-profile-card {
        padding: 0.75rem 0.5rem 2rem;
    }

    .child-profile-avatar {
        width: 48px;
        height: 48px;
    }

    .child-profile-name {
        font-size: 0.875rem;
    }
}

/* ==========================================================================
   Avatar Change Modal
   ========================================================================== */

.avatar-change-actions {
    display: flex;
    gap: 0.75rem;
    margin-top: 1rem;
    justify-content: center;
}

.avatar-change-actions .snappy-btn {
    min-width: 100px;
}

/* Clickable avatar indicator */
.snappy-dashboard__avatar {
    cursor: pointer;
    transition: all 0.2s ease;
}

.snappy-dashboard__avatar:hover {
    transform: scale(1.05);
    box-shadow: 0 4px 16px rgba(181, 101, 243, 0.35);
}

/* ==========================================================================
   Delete Child Confirmation Dialog
   ========================================================================== */

/* Overlay - must be above child selector (z-index: 1001) */
#deleteChildDialog {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(34, 22, 79, 0.85);
    justify-content: center;
    align-items: center;
    z-index: 1002;
}

.modal-container {
    background: var(--snappy-white);
    border-radius: 1.5rem;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    width: 100%;
    max-width: 500px;
    overflow: hidden;
}

.modal-container--small {
    max-width: 400px;
}

.modal-header {
    padding: 1.5rem 1.5rem 0;
}

.modal-title {
    font-family: var(--snappy-font-primary), sans-serif;
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--snappy-brand-primary-dark);
    margin: 0;
}

.modal-body {
    padding: 1rem 1.5rem;
}

.modal-footer {
    padding: 0 1.5rem 1.5rem;
    display: flex;
    gap: 0.75rem;
    justify-content: flex-end;
}

.delete-confirmation-text {
    font-family: var(--snappy-font-primary), sans-serif;
    font-size: 1rem;
    color: var(--snappy-gray-700);
    margin: 0 0 0.75rem 0;
    line-height: 1.5;
}

.delete-confirmation-warning {
    font-family: var(--snappy-font-primary), sans-serif;
    font-size: 0.875rem;
    color: var(--snappy-semantic-error);
    background: rgba(211, 63, 73, 0.1);
    padding: 0.75rem;
    border-radius: 0.5rem;
    margin: 0;
    line-height: 1.5;
}

/* Danger button */
.snappy-btn--danger {
    background: var(--snappy-semantic-error);
    color: var(--snappy-white);
    border: none;
}

.snappy-btn--danger:hover {
    background: #b8353e;
}