/* ============================================
   Range Lab - Authentication Styles
   ============================================ */

/* ===== Auth Modal ===== */
.auth-modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
}

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

.auth-modal-backdrop {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(8px);
}

.auth-modal-container {
    position: relative;
    width: 100%;
    max-width: 420px;
    margin: var(--space-4);
    background: var(--gradient-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-2xl), 0 0 60px rgba(0, 212, 106, 0.15);
    transform: translateY(20px) scale(0.95);
    transition: transform var(--transition-base);
    overflow: hidden;
}

.auth-modal.active .auth-modal-container {
    transform: translateY(0) scale(1);
}

.auth-modal-close {
    position: absolute;
    top: var(--space-4);
    right: var(--space-4);
    width: 36px;
    height: 36px;
    background: var(--color-bg-tertiary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-full);
    color: var(--color-text-muted);
    font-size: var(--text-xl);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
    z-index: 10;
}

.auth-modal-close:hover {
    background: var(--color-red);
    border-color: var(--color-red);
    color: white;
}

/* ===== Auth Modal Header ===== */
.auth-modal-header {
    text-align: center;
    padding: var(--space-8) var(--space-6) var(--space-6);
    background: linear-gradient(180deg, var(--color-bg-elevated) 0%, transparent 100%);
    border-bottom: 1px solid var(--color-border);
}

.auth-logo {
    display: flex;
    justify-content: center;
    gap: var(--space-1);
    margin-bottom: var(--space-4);
}

.auth-logo .mini-card {
    width: 40px;
    height: 56px;
    font-size: var(--text-lg);
}

.auth-modal-title {
    font-size: var(--text-2xl);
    font-weight: var(--font-bold);
    color: var(--color-text-primary);
    margin-bottom: var(--space-2);
}

.auth-modal-subtitle {
    font-size: var(--text-sm);
    color: var(--color-text-muted);
}

/* ===== Auth Modal Body ===== */
.auth-modal-body {
    padding: var(--space-6);
}

.auth-form {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
}

.auth-form .input-group {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.password-field {
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.password-field .input {
    flex: 1;
}

.password-toggle {
    min-width: 72px;
}

.password-requirements {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: var(--space-2);
    margin-top: var(--space-2);
    font-size: var(--text-xs);
    color: var(--color-text-muted);
}

.requirement {
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.requirement::before {
    content: '○';
    color: var(--color-text-muted);
    font-size: 0.9em;
}

.requirement.met {
    color: var(--color-green);
}

.requirement.met::before {
    content: '●';
    color: var(--color-green);
}
.auth-form .input {
    padding: var(--space-3) var(--space-4);
    font-size: var(--text-base);
}

.input-hint {
    font-size: var(--text-xs);
    color: var(--color-text-muted);
    margin-top: var(--space-1);
}

.auth-error {
    display: none;
    padding: var(--space-3);
    background: rgba(255, 71, 87, 0.1);
    border: 1px solid var(--color-red);
    border-radius: var(--radius-md);
    color: var(--color-red);
    font-size: var(--text-sm);
    text-align: center;
}

.auth-submit {
    margin-top: var(--space-2);
    width: 100%;
    padding: var(--space-4);
    font-size: var(--text-base);
}

/* ===== Auth Modal Footer ===== */
.auth-modal-footer {
    padding: var(--space-4) var(--space-6) var(--space-6);
    text-align: center;
    border-top: 1px solid var(--color-border);
    background: var(--color-bg-tertiary);
}

.auth-switch {
    font-size: var(--text-sm);
    color: var(--color-text-muted);
    margin: 0;
}

.auth-switch a {
    color: var(--color-primary);
    text-decoration: none;
    font-weight: var(--font-semibold);
}

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

/* ===== User Menu (in navbar) ===== */
.user-menu {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    position: relative;
}

.user-menu-trigger {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-3);
    background: var(--color-bg-tertiary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-full);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.user-menu-trigger:hover {
    border-color: var(--color-primary);
    background: var(--color-bg-elevated);
}

.user-avatar {
    width: 32px;
    height: 32px;
    background: var(--color-primary-muted);
    border: 2px solid var(--color-primary);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--text-lg);
    color: var(--color-primary);
}

.user-name {
    font-size: var(--text-sm);
    font-weight: var(--font-semibold);
    color: var(--color-text-primary);
    max-width: 100px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.user-dropdown-arrow {
    font-size: var(--text-xs);
    color: var(--color-text-muted);
    transition: transform var(--transition-fast);
}

.user-menu.open .user-dropdown-arrow {
    transform: rotate(180deg);
}

/* ===== User Dropdown ===== */
.user-dropdown {
    position: absolute;
    top: calc(100% + var(--space-2));
    right: 0;
    width: 220px;
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all var(--transition-fast);
    z-index: 100;
}

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

.user-dropdown-header {
    padding: var(--space-4);
    border-bottom: 1px solid var(--color-border);
    text-align: center;
}

.user-dropdown-username {
    font-weight: var(--font-bold);
    color: var(--color-text-primary);
    margin-bottom: var(--space-1);
}

.user-dropdown-email {
    font-size: var(--text-xs);
    color: var(--color-text-muted);
}

.user-dropdown-stats {
    display: flex;
    justify-content: space-around;
    padding: var(--space-3);
    background: var(--color-bg-tertiary);
    border-bottom: 1px solid var(--color-border);
}

.user-dropdown-stat {
    text-align: center;
}

.user-dropdown-stat-value {
    font-family: var(--font-mono);
    font-size: var(--text-lg);
    font-weight: var(--font-bold);
    color: var(--color-primary);
}

.user-dropdown-stat-label {
    font-size: var(--text-xs);
    color: var(--color-text-muted);
}

.user-dropdown-menu {
    padding: var(--space-2);
}

.user-dropdown-item {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-3);
    border-radius: var(--radius-md);
    color: var(--color-text-secondary);
    text-decoration: none;
    transition: all var(--transition-fast);
    cursor: pointer;
    border: none;
    background: none;
    width: 100%;
    font-size: var(--text-sm);
    text-align: left;
}

.user-dropdown-item:hover {
    background: var(--color-bg-tertiary);
    color: var(--color-text-primary);
}

.user-dropdown-item.danger {
    color: var(--color-red);
}

.user-dropdown-item.danger:hover {
    background: rgba(255, 71, 87, 0.1);
}

.user-dropdown-icon {
    width: 20px;
    text-align: center;
}

/* ===== Auth Button (Sign In) ===== */
#auth-btn {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    cursor: pointer;
    position: relative;
    z-index: 100;
}

#user-menu-trigger {
    cursor: pointer;
    position: relative;
    z-index: 100;
}

#user-menu-trigger * {
    pointer-events: none;
}

/* ===== Responsive ===== */
@media (max-width: 480px) {
    .auth-modal-container {
        max-width: none;
        margin: 0;
        border-radius: 0;
        min-height: 100vh;
    }

    .auth-modal-header {
        padding-top: var(--space-12);
    }

    .user-name {
        display: none;
    }

    .user-menu-trigger {
        padding: var(--space-2);
    }
}

.auth-link {
    background: transparent;
    border: none;
    color: var(--color-primary);
    font-size: var(--text-sm);
    cursor: pointer;
    text-align: left;
    padding: 0;
}

.auth-link:hover {
    text-decoration: underline;
}

/* ===== Account Modal ===== */
.account-modal {
    position: fixed;
    inset: 0;
    z-index: 2100;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
}

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

.account-modal-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.75);
    backdrop-filter: blur(8px);
}

.account-modal-container {
    position: relative;
    width: 100%;
    max-width: 520px;
    margin: var(--space-4);
    background: var(--gradient-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-2xl);
    transform: translateY(20px) scale(0.98);
    transition: transform var(--transition-base);
    overflow: hidden;
}

.account-modal.active .account-modal-container {
    transform: translateY(0) scale(1);
}

.account-modal-close {
    position: absolute;
    top: var(--space-4);
    right: var(--space-4);
    width: 36px;
    height: 36px;
    background: var(--color-bg-tertiary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-full);
    color: var(--color-text-muted);
    font-size: var(--text-xl);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
}

.account-modal-header {
    padding: var(--space-6);
    border-bottom: 1px solid var(--color-border);
    background: var(--color-bg-tertiary);
}

.account-modal-body {
    padding: var(--space-6);
    display: flex;
    flex-direction: column;
    gap: var(--space-6);
}

.account-section-title {
    font-size: var(--text-sm);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--color-text-muted);
    margin-bottom: var(--space-2);
}

.account-toggle {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-3);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    background: var(--color-bg-card);
}

.account-hint {
    margin-top: var(--space-2);
    font-size: var(--text-xs);
    color: var(--color-text-muted);
}

.account-sessions {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.account-session {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-3);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    background: var(--color-bg-card);
}

.account-session-title {
    font-weight: var(--font-semibold);
}

.account-session-meta {
    font-size: var(--text-xs);
    color: var(--color-text-muted);
}

.account-session-badge {
    font-size: var(--text-xs);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--color-gold);
}

.account-empty {
    font-size: var(--text-sm);
    color: var(--color-text-muted);
    text-align: center;
    padding: var(--space-4);
}

.account-backup-codes {
    margin-top: var(--space-3);
}

.account-backup-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: var(--space-2);
}

.account-backup-code {
    padding: var(--space-2);
    border: 1px dashed var(--color-border);
    border-radius: var(--radius-md);
    text-align: center;
    font-family: var(--font-mono);
    font-size: var(--text-sm);
    color: var(--color-text-primary);
}