/**
 * Authentication Styles - The Litmus
 * Matches the editorial design language
 */

/* ========== AUTH BUTTON (Header) ========== */
.auth-button {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    border: 1px solid var(--rule);
    background: var(--paper);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
    overflow: hidden;
    position: relative;
    z-index: 10;
}

.auth-button:hover {
    border-color: var(--burgundy);
    background: rgba(138, 18, 60, 0.05);
}

.auth-button.signed-in {
    border-color: var(--teal);
}

.auth-button svg {
    width: 20px;
    height: 20px;
    color: var(--ink-secondary);
}

.auth-button.signed-in svg {
    color: var(--teal);
}

.auth-button img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

#user-avatar {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--sans);
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--white);
    background: var(--teal);
}

#user-avatar img {
    width: 100%;
    height: 100%;
    border-radius: 50%;
}

/* ========== AUTH MODAL ========== */
.auth-modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
}

.auth-modal.active {
    opacity: 1;
    visibility: visible;
}

.auth-modal-content {
    background: var(--paper);
    border-radius: 12px;
    padding: 40px;
    max-width: 400px;
    width: 90%;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    transform: translateY(20px);
    transition: transform 0.3s ease;
}

.auth-modal.active .auth-modal-content {
    transform: translateY(0);
}

.auth-modal-header {
    text-align: center;
    margin-bottom: 32px;
}

.auth-modal-logo {
    font-family: var(--display);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--burgundy);
    margin-bottom: 8px;
}

.auth-modal-logo em {
    font-style: italic;
    font-weight: 400;
}

.auth-modal-title {
    font-family: var(--serif);
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--ink);
    margin: 0 0 8px 0;
}

.auth-modal-subtitle {
    font-family: var(--sans);
    font-size: 0.9rem;
    color: var(--ink-secondary);
    margin: 0;
}

/* ========== AUTH BUTTONS ========== */
.auth-providers {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.auth-provider-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    width: 100%;
    padding: 14px 20px;
    border-radius: 8px;
    font-family: var(--sans);
    font-size: 0.95rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
    border: 1px solid var(--rule);
}

.auth-provider-btn svg {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
}

/* Google Button */
.auth-provider-btn.google {
    background: var(--white);
    color: var(--ink);
}

.auth-provider-btn.google:hover {
    background: #f8f9fa;
    border-color: #dadce0;
}

/* Apple Button */
.auth-provider-btn.apple {
    background: var(--ink);
    color: var(--white);
    border-color: var(--ink);
}

.auth-provider-btn.apple:hover {
    background: #1a1a1a;
}

.auth-provider-btn.apple svg {
    fill: var(--white);
}

/* ========== AUTH EMAIL FORM ========== */
.auth-email-form {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.auth-input {
    width: 100%;
    padding: 14px 16px;
    border: 1px solid var(--rule);
    border-radius: 8px;
    font-family: var(--sans);
    font-size: 0.95rem;
    background: var(--white);
    color: var(--ink);
    transition: border-color 0.2s;
}

.auth-input:focus {
    outline: none;
    border-color: var(--burgundy);
}

.auth-input::placeholder {
    color: var(--ink-tertiary);
}

/* Email Button */
.auth-provider-btn.email {
    background: var(--burgundy);
    color: var(--white);
    border-color: var(--burgundy);
}

.auth-provider-btn.email:hover {
    background: #6d0e2f;
    border-color: #6d0e2f;
}

.auth-provider-btn.email svg {
    stroke: var(--white);
}

/* ========== AUTH DIVIDER ========== */
.auth-divider {
    display: flex;
    align-items: center;
    margin: 24px 0;
    color: var(--ink-tertiary);
    font-family: var(--sans);
    font-size: 0.8rem;
}

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

.auth-divider span {
    padding: 0 16px;
}

/* ========== AUTH ERROR ========== */
.auth-error {
    display: none;
    background: rgba(138, 18, 60, 0.1);
    border: 1px solid rgba(138, 18, 60, 0.3);
    border-radius: 6px;
    padding: 12px 16px;
    margin-top: 16px;
    font-family: var(--sans);
    font-size: 0.85rem;
    color: var(--burgundy);
    text-align: center;
}

/* ========== AUTH FOOTER ========== */
.auth-modal-footer {
    margin-top: 24px;
    text-align: center;
}

.auth-modal-footer p {
    font-family: var(--sans);
    font-size: 0.75rem;
    color: var(--ink-tertiary);
    margin: 0;
    line-height: 1.5;
}

.auth-modal-footer a {
    color: var(--burgundy);
    text-decoration: none;
}

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

/* ========== CLOSE BUTTON ========== */
.auth-close-btn {
    position: absolute;
    top: 16px;
    right: 16px;
    width: 32px;
    height: 32px;
    border: none;
    background: transparent;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--ink-tertiary);
    transition: color 0.2s;
}

.auth-close-btn:hover {
    color: var(--ink);
}

.auth-close-btn svg {
    width: 20px;
    height: 20px;
}

/* ========== LOADING STATE ========== */
.auth-modal.loading .auth-provider-btn {
    opacity: 0.6;
    pointer-events: none;
}

.auth-modal.loading .auth-provider-btn::after {
    content: '';
    width: 16px;
    height: 16px;
    border: 2px solid transparent;
    border-top-color: currentColor;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    margin-left: 8px;
}

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

/* ========== USER MENU (when signed in) ========== */
.user-menu {
    position: absolute;
    top: 100%;
    right: 0;
    margin-top: 8px;
    background: var(--paper);
    border: 1px solid var(--rule);
    border-radius: 8px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
    min-width: 200px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.2s ease;
    z-index: 9999;
}

.user-menu.active {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.user-menu-header {
    padding: 16px;
    border-bottom: 1px solid var(--rule);
}

.user-menu-email {
    font-family: var(--sans);
    font-size: 0.85rem;
    color: var(--ink);
    font-weight: 500;
    margin: 0 0 4px 0;
}

.user-menu-plan {
    font-family: var(--sans);
    font-size: 0.75rem;
    color: var(--ink-tertiary);
    margin: 0;
}

.user-menu-plan.premium {
    color: var(--teal);
}

.user-menu-items {
    padding: 8px 0;
}

.user-menu-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 16px;
    font-family: var(--sans);
    font-size: 0.85rem;
    color: var(--ink);
    cursor: pointer;
    transition: background 0.15s;
    border: none;
    background: none;
    width: 100%;
    text-align: left;
}

.user-menu-item:hover {
    background: rgba(0, 0, 0, 0.03);
}

.user-menu-item svg {
    width: 18px;
    height: 18px;
    color: var(--ink-secondary);
}

.user-menu-item.sign-out {
    color: var(--burgundy);
    border-top: 1px solid var(--rule);
    margin-top: 8px;
    padding-top: 16px;
}

.user-menu-item.sign-out svg {
    color: var(--burgundy);
}

/* ========== SYNC INDICATOR ========== */
.sync-indicator {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-family: var(--sans);
    font-size: 0.75rem;
    color: var(--teal);
    padding: 4px 8px;
    background: rgba(18, 108, 138, 0.1);
    border-radius: 4px;
}

.sync-indicator svg {
    width: 14px;
    height: 14px;
}

.sync-indicator.syncing svg {
    animation: spin 1s linear infinite;
}

/* ========== RESPONSIVE ========== */
@media (max-width: 480px) {
    .auth-modal-content {
        padding: 32px 24px;
        border-radius: 16px 16px 0 0;
        position: absolute;
        bottom: 0;
        left: 0;
        right: 0;
        max-width: 100%;
        width: 100%;
    }
    
    .auth-modal.active .auth-modal-content {
        transform: translateY(0);
    }
}

/* ========== MASTHEAD POSITIONING FIX ========== */
.masthead-right {
    position: relative;
}

/* ========== PUBLICATION DATE ========== */
.publication-date {
    font-family: var(--sans);
    font-size: 0.85rem;
    color: var(--ink-secondary);
    margin-right: 12px;
}