/* =============================================
   PETROLMATE AUTH UI STYLES
   ============================================= */

/* =============================================
   HEADER AUTH SECTION
   ============================================= */

.header-auth-section {
    position: absolute;
    left: 24px;
    top: 50%;
    transform: translateY(-50%);
    display: flex;
    align-items: center;
    gap: 12px;
    z-index: 101;  /* Higher than header content to ensure dropdowns appear above */
}

.auth-btn {
    padding: 10px 20px;
    border-radius: 10px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    border: none;
    white-space: nowrap;
}

.auth-btn-secondary {
    background: transparent;
    color: var(--text-primary, #1F1F1F);
    border: 1px solid var(--border, #E5E5E5);
}

.auth-btn-secondary:hover {
    background: var(--surface, #F7F7F7);
    border-color: var(--text-secondary, #6B6B6B);
}

.auth-btn-primary {
    background: linear-gradient(135deg, var(--primary, #FFB700) 0%, var(--primary-dark, #F59E0B) 100%);
    color: var(--text-primary, #1F1F1F);
    box-shadow: 0 2px 8px rgba(255, 183, 0, 0.3);
}

.auth-btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(255, 183, 0, 0.4);
}

/* =============================================
   USER MENU (Logged In State)
   ============================================= */

.user-menu {
    position: relative;
    z-index: 9999;
}

.user-menu-trigger {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 6px 12px 6px 6px;
    background: var(--surface, #F7F7F7);
    border: 1px solid var(--border, #E5E5E5);
    border-radius: 24px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.user-menu-trigger:hover {
    background: var(--background, #FFFFFF);
    border-color: var(--primary, #FFB700);
}

.user-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary, #FFB700) 0%, var(--primary-light, #FFD54F) 100%);
    color: var(--text-primary, #1F1F1F);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 14px;
}

.user-name {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-primary, #1F1F1F);
    max-width: 120px;
    overflow: hidden;
    text-overflow: ellipsis;
}

.user-menu-arrow {
    color: var(--text-secondary, #6B6B6B);
    transition: transform 0.2s ease;
}

.user-menu-trigger:hover .user-menu-arrow {
    color: var(--text-primary, #1F1F1F);
}

.user-menu-dropdown {
    position: absolute;
    top: calc(100% + 8px);
    left: 0;
    min-width: 200px;
    background: var(--background, #FFFFFF);
    border: 1px solid var(--border, #E5E5E5);
    border-radius: 12px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transition: all 0.2s ease;
    z-index: 99999;
    overflow: hidden;
}

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

.user-menu-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    color: var(--text-primary, #1F1F1F);
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: background 0.15s ease;
    border: none;
    background: none;
    width: 100%;
    text-align: left;
}

.user-menu-item:hover {
    background: var(--surface, #F7F7F7);
}

.user-menu-item svg {
    color: var(--text-secondary, #6B6B6B);
}

.user-menu-item.logout {
    color: var(--error, #EF4444);
}

.user-menu-item.logout svg {
    color: var(--error, #EF4444);
}

.user-menu-divider {
    height: 1px;
    background: var(--border, #E5E5E5);
    margin: 4px 0;
}

/* =============================================
   AUTH MODAL
   ============================================= */

.auth-modal {
    position: fixed;
    inset: 0;
    z-index: 10000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

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

.auth-modal-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
}

.auth-modal-content {
    position: relative;
    width: 100%;
    max-width: 420px;
    max-height: 90vh;
    overflow-y: auto;
    background: var(--background, #FFFFFF);
    border-radius: 20px;
    box-shadow: 0 24px 48px rgba(0, 0, 0, 0.2);
    padding: 32px;
    transform: scale(0.95) translateY(20px);
    transition: transform 0.3s ease;
    margin: 16px;
}

.auth-modal.open .auth-modal-content {
    transform: scale(1) translateY(0);
}

.auth-modal-close {
    position: absolute;
    top: 16px;
    right: 16px;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    border: none;
    background: var(--surface, #F7F7F7);
    color: var(--text-secondary, #6B6B6B);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
}

.auth-modal-close:hover {
    background: var(--border, #E5E5E5);
    color: var(--text-primary, #1F1F1F);
}

.auth-modal-header {
    text-align: center;
    margin-bottom: 24px;
}

.auth-logo {
    font-size: 48px;
    font-weight: 900;
    color: var(--text-primary, #1F1F1F);
    letter-spacing: -2px;
}

.auth-logo-dot {
    color: var(--primary, #FFB700);
}

/* =============================================
   AUTH TABS
   ============================================= */

.auth-tabs {
    display: flex;
    background: var(--surface, #F7F7F7);
    border-radius: 12px;
    padding: 4px;
    margin-bottom: 24px;
}

.auth-tab {
    flex: 1;
    padding: 12px 16px;
    border: none;
    background: transparent;
    color: var(--text-secondary, #6B6B6B);
    font-size: 14px;
    font-weight: 600;
    border-radius: 10px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.auth-tab:hover {
    color: var(--text-primary, #1F1F1F);
}

.auth-tab.active {
    background: var(--background, #FFFFFF);
    color: var(--text-primary, #1F1F1F);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

/* =============================================
   AUTH FORMS
   ============================================= */

.auth-form {
    display: none;
}

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

.auth-oauth-buttons {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-bottom: 20px;
}

.auth-oauth-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    padding: 14px 20px;
    border-radius: 12px;
    border: 1px solid var(--border, #E5E5E5);
    background: var(--background, #FFFFFF);
    color: var(--text-primary, #1F1F1F);
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
}

.auth-oauth-btn:hover {
    background: var(--surface, #F7F7F7);
    border-color: var(--text-secondary, #6B6B6B);
}

.auth-oauth-btn.google:hover {
    border-color: #4285F4;
}

.auth-oauth-btn.apple {
    background: var(--text-primary, #1F1F1F);
    color: var(--background, #FFFFFF);
    border-color: var(--text-primary, #1F1F1F);
}

.auth-oauth-btn.apple:hover {
    background: #333333;
}

.auth-divider {
    display: flex;
    align-items: center;
    margin: 20px 0;
    color: var(--text-tertiary, #A0A0A0);
    font-size: 13px;
}

.auth-divider::before,
.auth-divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--border, #E5E5E5);
}

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

.auth-field {
    margin-bottom: 16px;
}

.auth-field label {
    display: block;
    margin-bottom: 6px;
    font-size: 13px;
    font-weight: 600;
    color: var(--text-primary, #1F1F1F);
}

.auth-field input {
    width: 100%;
    padding: 14px 16px;
    border: 1px solid var(--border, #E5E5E5);
    border-radius: 12px;
    font-size: 15px;
    color: var(--text-primary, #1F1F1F);
    background: var(--background, #FFFFFF);
    transition: all 0.2s ease;
    box-sizing: border-box;
}

.auth-field input:focus {
    outline: none;
    border-color: var(--primary, #FFB700);
    box-shadow: 0 0 0 3px rgba(255, 183, 0, 0.15);
}

.auth-field input::placeholder {
    color: var(--text-tertiary, #A0A0A0);
}

.auth-field-hint {
    display: block;
    margin-top: 4px;
    font-size: 12px;
    color: var(--text-tertiary, #A0A0A0);
}

.auth-forgot {
    text-align: right;
    margin-bottom: 20px;
}

.auth-forgot a {
    font-size: 13px;
    color: var(--primary-dark, #F59E0B);
    text-decoration: none;
}

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

.auth-submit-btn {
    width: 100%;
    padding: 16px 24px;
    border: none;
    border-radius: 12px;
    background: linear-gradient(135deg, var(--primary, #FFB700) 0%, var(--primary-dark, #F59E0B) 100%);
    color: var(--text-primary, #1F1F1F);
    font-size: 16px;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 12px rgba(255, 183, 0, 0.3);
}

.auth-submit-btn:hover:not(:disabled) {
    transform: translateY(-1px);
    box-shadow: 0 6px 16px rgba(255, 183, 0, 0.4);
}

.auth-submit-btn:disabled {
    opacity: 0.7;
    cursor: not-allowed;
}

.auth-submit-btn .spinner {
    animation: spin 1s linear infinite;
}

@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.auth-error {
    margin-top: 16px;
    padding: 12px 16px;
    border-radius: 10px;
    background: rgba(239, 68, 68, 0.1);
    color: var(--error, #EF4444);
    font-size: 14px;
    text-align: center;
    display: none;
}

.auth-error:not(:empty) {
    display: block;
}

.auth-terms {
    margin-top: 20px;
    font-size: 12px;
    color: var(--text-tertiary, #A0A0A0);
    text-align: center;
    line-height: 1.5;
}

.auth-terms a {
    color: var(--primary-dark, #F59E0B);
    text-decoration: none;
}

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

/* =============================================
   TOAST NOTIFICATIONS
   ============================================= */

.auth-toast {
    position: fixed;
    bottom: 24px;
    left: 50%;
    transform: translateX(-50%) translateY(100px);
    padding: 14px 24px;
    border-radius: 12px;
    background: var(--text-primary, #1F1F1F);
    color: var(--background, #FFFFFF);
    font-size: 14px;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 12px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
    z-index: 10001;
    opacity: 0;
    transition: all 0.3s ease;
}

.auth-toast.show {
    transform: translateX(-50%) translateY(0);
    opacity: 1;
}

.auth-toast-success {
    background: linear-gradient(135deg, var(--primary, #FFB700) 0%, var(--primary-dark, #F59E0B) 100%);
    color: var(--text-primary, #1F1F1F);
}

.auth-toast-error {
    background: var(--error, #EF4444);
}

.auth-toast-info {
    background: var(--info, #3B82F6);
}

.auth-toast button {
    background: none;
    border: none;
    color: inherit;
    font-size: 18px;
    cursor: pointer;
    opacity: 0.7;
    padding: 0;
    margin-left: 8px;
}

.auth-toast button:hover {
    opacity: 1;
}

/* =============================================
   DARK MODE SUPPORT
   ============================================= */

body.dark-mode .auth-modal-content {
    background: var(--surface-card, #2D2D2D);
}

body.dark-mode .auth-tabs {
    background: var(--surface, #1F1F1F);
}

body.dark-mode .auth-tab.active {
    background: var(--surface-card, #2D2D2D);
}

body.dark-mode .auth-oauth-btn {
    background: var(--surface, #1F1F1F);
    border-color: var(--border, #404040);
}

body.dark-mode .auth-oauth-btn:hover {
    background: var(--surface-elevated, #353535);
}

body.dark-mode .auth-oauth-btn.apple {
    background: var(--background, #FFFFFF);
    color: var(--text-primary, #1F1F1F);
}

body.dark-mode .auth-field input {
    background: var(--surface, #1F1F1F);
    border-color: var(--border, #404040);
}

body.dark-mode .user-menu-dropdown {
    background: var(--surface-card, #2D2D2D);
    border-color: var(--border, #404040);
}

body.dark-mode .user-menu-item:hover {
    background: var(--surface, #1F1F1F);
}

body.dark-mode .user-menu-trigger {
    background: var(--surface, #1F1F1F);
    border-color: var(--border, #404040);
}

/* =============================================
   RESPONSIVE ADJUSTMENTS
   ============================================= */

/* Mobile styles for screens up to 768px */
@media (max-width: 768px) {
    .header-auth-section {
        position: absolute;
        left: auto !important;     /* Clear desktop positioning */
        right: 66px !important;    /* Position left of theme/insights buttons with small gap */
        top: 20px;                 /* Fixed position instead of transform centering */
        transform: none;           /* No transform - allows dropdown fixed positioning to work */
        gap: 8px;
    }

    /* Hide "Get Started" button on mobile - show only Sign In */
    .header-auth-section .auth-btn-primary {
        display: none;
    }

    .auth-btn {
        padding: 8px 16px;
        font-size: 14px;
    }

    /* Sign In button styling for visibility */
    .auth-btn-secondary {
        background: var(--primary) !important;
        color: #1f1f1f !important;
        border: none !important;
        font-weight: 600;
        border-radius: 8px;
    }

    /* Dark mode: yellow background with dark text for contrast */
    :root[data-theme="dark"] .auth-btn-secondary {
        background: var(--primary) !important;
        color: #1f1f1f !important;
    }

    .user-name {
        display: none;
    }

    /* Mobile-specific dropdown positioning for visibility */
    /* Note: .app has transform which creates containing block, so fixed = absolute to .app */
    .user-menu-dropdown {
        position: fixed !important;
        top: 100px !important;
        left: 16px !important;
        right: auto !important;
        width: calc(100vw - 32px) !important;  /* Use viewport width */
        min-width: unset !important;
        max-width: none !important;
        z-index: 99999 !important;
        box-sizing: border-box !important;
    }

    .user-menu-dropdown.open {
        transform: none !important;
    }
}

/* Smaller mobile screens */
@media (max-width: 480px) {
    .auth-modal-content {
        padding: 24px 20px;
        border-radius: 16px 16px 0 0;
        max-height: 85vh;
        margin: 0;
        position: absolute;
        bottom: 0;
        left: 0;
        right: 0;
        max-width: none;
    }

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

    .auth-modal-content {
        transform: translateY(100%);
    }

    .auth-btn {
        padding: 6px 12px;
        font-size: 13px;
    }
}