.auth-container {
    max-width: 400px;
    margin: 0 auto;
}

.auth-tabs {
    display: flex;
    gap: 10px;
    margin-bottom: 20px;
    padding-bottom: 10px;
    border-bottom: 1px solid #2a2a2a;
}

.auth-tab {
    padding: 12px 20px;
    background: transparent;
    border: none;
    border-bottom: 2px solid transparent;
    color: #888;
    cursor: pointer;
    font-size: 16px;
    font-weight: 500;
    transition: all 0.2s;
}

.auth-tab:hover {
    color: #ffffff;
}

.auth-tab.active {
    color: #ffffff;
    border-bottom-color: #ff4444;
}

.auth-form {
    display: none;
}

.auth-form.active {
    display: block;
}

.form-group {
    margin-bottom: 20px;
}

.form-label {
    display: block;
    margin-bottom: 8px;
    color: #ccc;
    font-size: 14px;
    font-weight: 500;
}

.form-input {
    width: 100%;
    padding: 12px 16px;
    background-color: #0a0a0a;
    border: 1px solid #2a2a2a;
    border-radius: 8px;
    color: #ffffff;
    font-size: 16px;
    transition: border-color 0.2s;
}

.form-input:focus {
    outline: none;
    border-color: #ff4444;
}

.form-input::placeholder {
    color: #666;
}

.form-button {
    width: 100%;
    padding: 12px 20px;
    background-color: #ff4444;
    border: none;
    border-radius: 8px;
    color: #ffffff;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: background-color 0.2s;
}

.form-button:hover:not(:disabled) {
    background-color: #ff5555;
}

.form-button:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.form-error {
    margin-top: 8px;
    padding: 10px;
    background-color: #991b1b;
    border: 1px solid #dc2626;
    border-radius: 6px;
    color: #ffffff;
    font-size: 14px;
    display: none;
}

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

.form-success {
    margin-top: 8px;
    padding: 10px;
    background-color: #1a5c3a;
    border: 1px solid #22c55e;
    border-radius: 6px;
    color: #ffffff;
    font-size: 14px;
    display: none;
}

.form-success.show {
    display: block;
}

.account-info {
    display: none;
}

.account-info.visible {
    display: block;
}

/* Initially hide auth forms to prevent flash - will show if not logged in */
#authForms {
    display: none;
}

#authForms.visible {
    display: block;
}


/* Loading overlay - full screen with dark backdrop */
.loading-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.85);
    z-index: 9999;
    align-items: center;
    justify-content: center;
}

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

.loading-card {
    background-color: #1a1a1a;
    border: 1px solid #2a2a2a;
    border-radius: 12px;
    padding: 40px 30px;
    text-align: center;
    min-width: 280px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.5);
}

.loading-spinner {
    display: inline-block;
    width: 40px;
    height: 40px;
    border: 4px solid #2a2a2a;
    border-top-color: #ff4444;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-bottom: 20px;
}

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

.loading-text {
    color: #ffffff;
    font-size: 16px;
    font-weight: 500;
}

.info-section {
    margin-bottom: 30px;
}

/* Streak Calendar Styles - Monthly Calendar */
.streak-calendar {
    margin: 15px 0;
    max-width: 100%;
}

.calendar-header {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 4px;
    margin-bottom: 8px;
}

.calendar-day-header {
    text-align: center;
    font-size: 11px;
    color: #888;
    font-weight: 600;
    padding: 4px 0;
}

.calendar-grid {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 4px;
}

.calendar-day {
    aspect-ratio: 1;
    background-color: #2a2a2a;
    border: 1px solid #3a3a3a;
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    color: #888;
    position: relative;
}

.calendar-day.other-month {
    opacity: 0.3;
}

.calendar-day.has-activity {
    background-color: #fbbf24;
    border-color: #fbbf24;
    color: #000;
    font-weight: 700;
}

.calendar-day.today {
    border: 2px solid #ffffff;
}

.calendar-day.today.has-activity {
    border: 2px solid #ffffff;
    box-shadow: 0 0 0 1px #fbbf24;
}

/* Briefings and Quizzes Calendar Styles */
.briefings-calendar,
.quizzes-calendar {
    margin: 15px 0;
    max-width: 100%;
}

.briefings-calendar .calendar-header,
.quizzes-calendar .calendar-header {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 4px;
    margin-bottom: 8px;
}

.briefings-calendar .calendar-day-header,
.quizzes-calendar .calendar-day-header {
    text-align: center;
    font-size: 11px;
    color: #888;
    font-weight: 600;
    padding: 4px 0;
}

.briefings-calendar .calendar-grid,
.quizzes-calendar .calendar-grid {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 4px;
}

.briefings-calendar .calendar-day,
.quizzes-calendar .calendar-day {
    aspect-ratio: 1;
    background-color: #2a2a2a;
    border: 1px solid #3a3a3a;
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    color: #888;
    position: relative;
}

.briefings-calendar .calendar-day.other-month,
.quizzes-calendar .calendar-day.other-month {
    opacity: 0.3;
}

/* Unavailable (gray) - no briefing/quiz exists */
.briefings-calendar .calendar-day.unavailable,
.quizzes-calendar .calendar-day.unavailable {
    background-color: #1a1a1a;
    opacity: 0.4;
}

/* Available but not done (faint red glow) */
.briefings-calendar .calendar-day.available-not-done,
.quizzes-calendar .calendar-day.available-not-done {
    background-color: #2a1a1a;
    border-color: #4a2a2a;
    box-shadow: 0 0 4px rgba(239, 68, 68, 0.3);
}

/* Done (amber glow) */
.briefings-calendar .calendar-day.done,
.quizzes-calendar .calendar-day.done {
    background-color: #3a2a0a;
    border-color: #fbbf24;
    box-shadow: 0 0 8px rgba(251, 191, 36, 0.5);
    color: #fbbf24;
    font-weight: 700;
}

.briefings-calendar .calendar-day.today,
.quizzes-calendar .calendar-day.today {
    border: 2px solid #ffffff;
}

.briefings-calendar .calendar-day.today.done,
.quizzes-calendar .calendar-day.today.done {
    border: 2px solid #ffffff;
    box-shadow: 0 0 0 1px #fbbf24, 0 0 8px rgba(251, 191, 36, 0.5);
}

.info-label {
    color: #888;
    font-size: 14px;
    margin-bottom: 8px;
}

.info-value {
    color: #ffffff;
    font-size: 24px;
    font-weight: 700;
}

.logout-button {
    padding: 10px 20px;
    background-color: #2a2a2a;
    border: 1px solid #3a3a3a;
    border-radius: 8px;
    color: #ffffff;
    font-size: 14px;
    cursor: pointer;
    transition: background-color 0.2s;
}

.logout-button:hover {
    background-color: #3a3a3a;
}

.switch-form-link {
    margin-top: 15px;
    text-align: center;
    color: #888;
    font-size: 14px;
}

.switch-form-link a {
    color: #ff4444;
    text-decoration: none;
    cursor: pointer;
}

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

/* Forgot Password Modal */
.forgot-password-modal {
    position: fixed !important;
    top: 0 !important;
    left: 0 !important;
    right: 0 !important;
    bottom: 0 !important;
    width: 100vw !important;
    height: 100vh !important;
    background-color: rgba(0, 0, 0, 0.85);
    z-index: 10000;
    display: none !important; /* Hidden by default */
    align-items: center !important;
    justify-content: center !important;
    padding: 20px;
    margin: 0 !important;
}

.forgot-password-modal[style*="display: flex"],
.forgot-password-modal.show {
    display: flex !important;
}

.forgot-password-modal .card {
    max-width: 400px;
    width: 100%;
    margin: 0 auto;
}

.forgot-password-link {
    transition: color 0.2s;
}

.forgot-password-link:hover {
    color: #ff4444;
}

/* Skeleton Loaders */
.card-skeleton {
    padding: 10px 0;
}

.skeleton-line {
    display: block;
    background: linear-gradient(
        90deg,
        #2a2a2a 0%,
        #3a3a3a 50%,
        #2a2a2a 100%
    );
    background-size: 200% 100%;
    animation: skeleton-loading 1.5s ease-in-out infinite;
    border-radius: 4px;
}

@keyframes skeleton-loading {
    0% {
        background-position: 200% 0;
    }
    100% {
        background-position: -200% 0;
    }
}

/* Calendar Skeleton */
.calendar-skeleton {
    margin: 15px 0;
}

.calendar-skeleton-header {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 4px;
    margin-bottom: 8px;
}

.calendar-skeleton-header .skeleton-line {
    height: 20px;
    width: 100%;
}

.calendar-skeleton-grid {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 4px;
}

.calendar-skeleton-grid .skeleton-line {
    aspect-ratio: 1;
    width: 100%;
    border-radius: 6px;
}