/* Atlas Components CSS */

/* ============================================
   BUTTONS
   ============================================ */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    padding: 10px 20px;
    font-size: 14px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border-radius: var(--radius-md);
    border: 2px solid transparent;
    cursor: pointer;
    transition: all var(--transition-fast);
    white-space: nowrap;
    position: relative;
    top: 0;
}

/* Button Variants */
.btn-primary {
    background-color: var(--primary-green);
    color: var(--white);
    border-color: var(--primary-green);
    box-shadow: var(--shadow-button);
}

.btn-primary:hover {
    background-color: var(--primary-green-dark);
    border-color: var(--primary-green-dark);
    color: var(--white);
    box-shadow: var(--shadow-button-hover);
    transform: translateY(2px);
}

.btn-primary:active {
    background-color: var(--primary-green-dark);
    border-color: var(--primary-green-dark);
    color: var(--white);
    box-shadow: var(--shadow-button-active);
    transform: translateY(4px);
}

.btn-secondary {
    background-color: var(--white);
    color: var(--primary-green);
    border-color: var(--primary-green);
    box-shadow: 0 4px 0 var(--gray-300);
}

.btn-secondary:hover {
    background-color: var(--gray-50);
    box-shadow: 0 2px 0 var(--gray-300);
    transform: translateY(2px);
}

.btn-outline {
    background-color: transparent;
    color: var(--gray-700);
    border-color: var(--gray-300);
    box-shadow: 0 4px 0 var(--gray-300);
}

.btn-outline:hover {
    background-color: var(--gray-50);
    box-shadow: 0 2px 0 var(--gray-300);
    transform: translateY(2px);
}

.btn-ghost {
    background-color: transparent;
    color: var(--gray-600);
    border-color: transparent;
    box-shadow: none;
}

.btn-ghost:hover {
    background-color: var(--gray-100);
}

.btn-danger {
    background-color: var(--error-red);
    color: var(--white);
    border-color: var(--error-red);
    box-shadow: 0 4px 0 #cc0000;
}

.btn-danger:hover {
    background-color: #cc0000;
    border-color: #cc0000;
    color: var(--white);
    box-shadow: 0 2px 0 #cc0000;
    transform: translateY(2px);
}

/* Button Sizes */
.btn-sm {
    padding: 6px 12px;
    font-size: 12px;
}

.btn-lg {
    padding: 12px 24px;
    font-size: 15px;
}

.btn-xl {
    padding: 14px 28px;
    font-size: 16px;
}

/* Button States */
.btn:disabled,
.btn-disabled {
    opacity: 0.6;
    cursor: not-allowed;
    pointer-events: none;
}

.btn-loading {
    position: relative;
    color: transparent;
}

.btn-loading::after {
    content: '';
    position: absolute;
    width: 16px;
    height: 16px;
    border: 2px solid var(--white);
    border-top-color: transparent;
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
}

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

/* ============================================
   CARDS
   ============================================ */

.card {
    background-color: var(--white);
    border-radius: var(--radius-lg);
    border: 2px solid var(--gray-200);
    box-shadow: var(--shadow-card);
    overflow: hidden;
    transition: all var(--transition-base);
}

.card:hover {
    box-shadow: var(--shadow-card-hover);
    transform: translateY(-2px);
}

.card-body {
    padding: var(--space-lg);
}

.card-header {
    padding: var(--space-lg);
    border-bottom: 1px solid var(--gray-200);
}

.card-footer {
    padding: var(--space-lg);
    border-top: 1px solid var(--gray-200);
    background-color: var(--gray-50);
}

.card-title {
    font-size: var(--text-xl);
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: var(--space-sm);
}

.card__title {
    font-size: var(--text-xl);
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: var(--space-sm);
}

.card-text {
    color: var(--gray-600);
    margin-bottom: 0;
}

.card__description {
    color: var(--gray-600);
    margin: 0;
}

/* Card Icon */
.card__icon {
    width: 48px;
    height: 48px;
    color: var(--primary-green);
    margin-bottom: var(--space-md);
}

/* Card Variants */
.card-primary {
    border-color: var(--primary-green);
}

.card-featured {
    border-color: var(--primary-green);
    position: relative;
}

.card-featured::before {
    content: 'Featured';
    position: absolute;
    top: var(--space-md);
    right: calc(var(--space-md) * -1);
    background-color: var(--primary-green);
    color: var(--white);
    font-size: var(--text-xs);
    font-weight: 700;
    padding: var(--space-xs) var(--space-md);
    border-radius: var(--radius-full);
    transform: rotate(0deg);
}

/* Language Card */
.language-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: var(--space-xl);
    text-align: center;
    cursor: pointer;
}

.language-flag {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    object-fit: cover;
    margin-bottom: var(--space-md);
    border: 4px solid var(--gray-200);
}

.language-name {
    font-size: var(--text-lg);
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: var(--space-xs);
}

.language-speakers {
    font-size: var(--text-sm);
    color: var(--gray-500);
}

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

.form-group {
    margin-bottom: var(--space-lg);
}

.form-label {
    display: block;
    font-size: var(--text-sm);
    font-weight: 700;
    color: var(--gray-700);
    margin-bottom: var(--space-sm);
}

.form-input,
.form-select,
.form-textarea {
    width: 100%;
    padding: var(--space-md);
    font-size: var(--text-base);
    color: var(--gray-900);
    background-color: var(--white);
    border: 2px solid var(--gray-300);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--primary-green);
    box-shadow: 0 0 0 3px rgba(88, 204, 2, 0.2);
}

.form-input::placeholder,
.form-textarea::placeholder {
    color: var(--gray-400);
}

.form-input.error,
.form-select.error,
.form-textarea.error {
    border-color: var(--error-red);
}

.form-error {
    font-size: var(--text-sm);
    color: var(--error-red);
    margin-top: var(--space-xs);
}

.form-hint {
    font-size: var(--text-sm);
    color: var(--gray-500);
    margin-top: var(--space-xs);
}

.form-checkbox {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    cursor: pointer;
}

.form-checkbox input[type="checkbox"] {
    width: 20px;
    height: 20px;
    accent-color: var(--primary-green);
}

/* ============================================
   NAVIGATION
   ============================================ */

.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-md) var(--space-xl);
    background-color: var(--white);
    border-bottom: 2px solid var(--gray-200);
    position: sticky;
    top: 0;
    z-index: var(--z-sticky);
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: var(--text-2xl);
    font-weight: 800;
    color: var(--primary-green);
}

.nav-logo img {
    width: 40px;
    height: 40px;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: var(--space-xl);
    list-style: none;
    margin: 0;
    padding: 0;
}

.nav-link {
    font-size: var(--text-base);
    font-weight: 700;
    color: var(--gray-600);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    padding: 10px 0;
    transition: all var(--transition-fast);
}

.nav-link:hover,
.nav-link.active {
    color: var(--primary-green);
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

/* Dropdown Styles */
.nav-dropdown {
    position: relative;
}

.nav-dropdown-toggle {
    display: flex;
    align-items: center;
    gap: 6px;
    cursor: pointer;
    -webkit-tap-highlight-color: transparent;
    text-decoration: none;
    color: inherit;
}

.nav-dropdown-icon {
    transition: transform var(--transition-fast);
}

.nav-dropdown:hover .nav-dropdown-icon,
.nav-dropdown.open .nav-dropdown-icon {
    transform: rotate(180deg);
}

.nav-dropdown-menu {
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%) translateY(10px);
    min-width: 180px;
    background-color: var(--white);
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    padding: var(--space-sm) 0;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-fast);
    z-index: var(--z-dropdown);
    pointer-events: none;
}

.nav-dropdown:hover .nav-dropdown-menu,
.nav-dropdown.open .nav-dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
    pointer-events: auto;
}

.nav-dropdown:hover .nav-dropdown-menu,
.nav-dropdown.open .nav-dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
}

.nav-dropdown-link {
    display: block;
    padding: var(--space-sm) var(--space-lg);
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--gray-700);
    text-transform: none;
    letter-spacing: normal;
    transition: all var(--transition-fast);
}

.nav-dropdown-link:hover {
    background-color: var(--gray-50);
    color: var(--primary-green);
}

/* Hide mobile auth actions on desktop */
.nav-menu-actions {
    display: none;
}

/* Mobile Nav */
.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    padding: var(--space-sm);
}

.nav-toggle span {
    width: 24px;
    height: 2px;
    background-color: var(--gray-700);
    transition: all var(--transition-fast);
}

@media (max-width: 768px) {
    /* Hide nav-actions on mobile (they should be in the menu) */
    .nav-actions {
        display: none;
    }
    
    .nav-menu {
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        background-color: var(--white);
        flex-direction: column;
        padding: var(--space-lg);
        gap: var(--space-md);
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: all var(--transition-base);
        box-shadow: var(--shadow-lg);
        z-index: var(--z-dropdown);
        max-height: calc(100vh - 70px);
        overflow-y: auto;
        overflow-x: hidden;
    }
    
    .nav-menu.open {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }
    
    .nav-menu .nav-link {
        padding: var(--space-md) 0;
        border-bottom: 1px solid var(--gray-100);
        width: 100%;
        text-align: left;
    }
    
    .nav-menu .nav-link:last-child {
        border-bottom: none;
    }
    
    /* Mobile dropdown styles */
    .nav-dropdown-menu {
        position: static;
        transform: none;
        opacity: 1;
        visibility: visible;
        box-shadow: none;
        border: none;
        padding: 0;
        display: none;
        margin-top: var(--space-sm);
        margin-bottom: var(--space-sm);
        background-color: var(--gray-50);
        border-radius: var(--radius-md);
        z-index: 10;
        pointer-events: none;
    }
    
    .nav-dropdown.open .nav-dropdown-menu {
        display: block;
        pointer-events: auto;
    }
    
    .nav-dropdown-toggle {
        cursor: pointer;
        -webkit-tap-highlight-color: transparent;
        user-select: none;
        text-decoration: none;
        color: inherit;
    }
    
    .nav-dropdown-link {
        padding: var(--space-sm) var(--space-lg);
        padding-left: var(--space-xl);
        border-bottom: 1px solid var(--gray-100);
        display: block;
        width: 100%;
        pointer-events: auto;
    }
    
    .nav-dropdown-link:last-child {
        border-bottom: none;
    }
    
    /* Mobile auth actions in menu */
    .nav-menu-actions {
        display: flex;
        flex-direction: column;
        gap: var(--space-sm);
        margin-top: var(--space-md);
        padding-top: var(--space-md);
        border-top: 1px solid var(--gray-200);
    }
    
    .nav-menu-actions .btn {
        width: 100%;
        justify-content: center;
    }
    
    .nav-toggle {
        display: flex;
    }
}

/* Tablet styles (769px - 992px) */
@media (min-width: 769px) and (max-width: 992px) {
    /* Hide nav-actions on tablet (they should be in the menu) */
    .nav-actions {
        display: none;
    }
    
    .nav-menu {
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        background-color: var(--white);
        flex-direction: column;
        padding: var(--space-lg);
        gap: var(--space-md);
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: all var(--transition-base);
        box-shadow: var(--shadow-lg);
        z-index: var(--z-dropdown);
        max-height: calc(100vh - 70px);
        overflow-y: auto;
        overflow-x: hidden;
    }
    
    .nav-menu.open {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }
    
    .nav-menu .nav-link {
        padding: var(--space-md) 0;
        border-bottom: 1px solid var(--gray-100);
        width: 100%;
        text-align: left;
    }
    
    .nav-menu .nav-link:last-child {
        border-bottom: none;
    }
    
    /* Tablet dropdown styles */
    .nav-dropdown-menu {
        position: static;
        transform: none;
        opacity: 1;
        visibility: visible;
        box-shadow: none;
        border: none;
        padding: 0;
        display: none;
        margin-top: var(--space-sm);
        margin-bottom: var(--space-sm);
        background-color: var(--gray-50);
        border-radius: var(--radius-md);
        z-index: 10;
        pointer-events: none;
    }
    
    .nav-dropdown.open .nav-dropdown-menu {
        display: block;
        pointer-events: auto;
    }
    
    .nav-dropdown-toggle {
        cursor: pointer;
        -webkit-tap-highlight-color: transparent;
        user-select: none;
        text-decoration: none;
        color: inherit;
    }
    
    .nav-dropdown-link {
        padding: var(--space-sm) var(--space-lg);
        padding-left: var(--space-xl);
        border-bottom: 1px solid var(--gray-100);
        display: block;
        width: 100%;
        pointer-events: auto;
    }
    
    .nav-dropdown-link:last-child {
        border-bottom: none;
    }
    
    /* Tablet auth actions in menu */
    .nav-menu-actions {
        display: flex;
        flex-direction: column;
        gap: var(--space-sm);
        margin-top: var(--space-md);
        padding-top: var(--space-md);
        border-top: 1px solid var(--gray-200);
    }
    
    .nav-menu-actions .btn {
        width: 100%;
        justify-content: center;
    }
    
    .nav-toggle {
        display: flex;
    }
}

/* ============================================
   FOOTER
   ============================================ */

.footer {
    background-color: var(--gray-900);
    color: var(--gray-300);
    padding: var(--space-4xl) 0 var(--space-xl);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: var(--space-2xl);
    margin-bottom: var(--space-3xl);
}

.footer-brand {
    max-width: 300px;
}

.footer-logo {
    font-size: var(--text-2xl);
    font-weight: 800;
    color: var(--primary-green);
    margin-bottom: var(--space-md);
}

.footer-description {
    font-size: var(--text-sm);
    color: var(--gray-400);
    line-height: 1.7;
}

.footer-title {
    font-size: var(--text-base);
    font-weight: 700;
    color: var(--white);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: var(--space-lg);
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.footer-link {
    font-size: var(--text-sm);
    color: var(--gray-400);
    transition: color var(--transition-fast);
}

.footer-link:hover {
    color: var(--primary-green);
}

.footer-bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: var(--space-xl);
    border-top: 1px solid var(--gray-800);
}

.footer-social {
    display: flex;
    gap: var(--space-md);
}

.footer-social a {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--gray-800);
    border-radius: 50%;
    color: var(--gray-300);
    transition: all var(--transition-fast);
}

.footer-social a:hover {
    background-color: var(--primary-green);
    color: var(--white);
}

@media (max-width: 768px) {
    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }
    
    .footer-brand {
        grid-column: 1 / -1;
        max-width: 100%;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: var(--space-md);
        text-align: center;
    }
}

@media (max-width: 480px) {
    .footer-grid {
        grid-template-columns: 1fr;
    }
}

/* ============================================
   BADGES & TAGS
   ============================================ */

.badge {
    display: inline-flex;
    align-items: center;
    padding: var(--space-xs) var(--space-sm);
    font-size: var(--text-xs);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border-radius: var(--radius-full);
}

.badge-primary {
    background-color: rgba(88, 204, 2, 0.15);
    color: var(--primary-green);
}

.badge-secondary {
    background-color: var(--gray-100);
    color: var(--gray-600);
}

.badge-success {
    background-color: rgba(88, 204, 2, 0.15);
    color: var(--success-green);
}

.badge-warning {
    background-color: rgba(255, 150, 0, 0.15);
    color: var(--warning-orange);
}

.badge-danger {
    background-color: rgba(255, 75, 75, 0.15);
    color: var(--error-red);
}

.badge-info {
    background-color: rgba(28, 176, 246, 0.15);
    color: var(--info-blue);
}

/* ============================================
   AVATARS
   ============================================ */

.avatar {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background-color: var(--gray-200);
    color: var(--gray-600);
    font-weight: 700;
    overflow: hidden;
}

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

.avatar-sm { width: 32px; height: 32px; font-size: var(--text-xs); }
.avatar-md { width: 48px; height: 48px; font-size: var(--text-sm); }
.avatar-lg { width: 64px; height: 64px; font-size: var(--text-base); }
.avatar-xl { width: 96px; height: 96px; font-size: var(--text-xl); }

/* ============================================
   PROGRESS BARS
   ============================================ */

.progress {
    width: 100%;
    height: 12px;
    background-color: var(--gray-200);
    border-radius: var(--radius-full);
    overflow: hidden;
}

.progress-bar {
    height: 100%;
    background-color: var(--primary-green);
    border-radius: var(--radius-full);
    transition: width var(--transition-slow);
}

.progress-bar.success { background-color: var(--success-green); }
.progress-bar.warning { background-color: var(--warning-orange); }
.progress-bar.danger { background-color: var(--error-red); }

/* Progress with Label */
.progress-label {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--space-sm);
}

.progress-label span {
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--gray-700);
}

/* ============================================
   STATS CARDS
   ============================================ */

.stat-card {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-lg);
    background-color: var(--white);
    border-radius: var(--radius-lg);
    border: 2px solid var(--gray-200);
}

.stat-icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: rgba(88, 204, 2, 0.15);
    border-radius: var(--radius-md);
    color: var(--primary-green);
    font-size: var(--text-2xl);
}

.stat-content {
    flex: 1;
}

.stat-value {
    font-size: var(--text-2xl);
    font-weight: 800;
    color: var(--gray-900);
    line-height: 1;
}

.stat-label {
    font-size: var(--text-sm);
    color: var(--gray-500);
    margin-top: var(--space-xs);
}

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

.modal-overlay {
    position: fixed;
    inset: 0;
    background-color: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: var(--z-modal);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
    padding: var(--space-md);
}

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

.modal {
    background-color: var(--white);
    border-radius: var(--radius-xl);
    max-width: 500px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    transform: scale(0.9);
    transition: transform var(--transition-base);
}

.modal-overlay.open .modal {
    transform: scale(1);
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-lg);
    border-bottom: 1px solid var(--gray-200);
}

.modal-title {
    font-size: var(--text-xl);
    font-weight: 700;
    color: var(--gray-900);
    margin: 0;
}

.modal-close {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    color: var(--gray-500);
    transition: all var(--transition-fast);
}

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

.modal-body {
    padding: var(--space-lg);
}

.modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: var(--space-md);
    padding: var(--space-lg);
    border-top: 1px solid var(--gray-200);
}

/* ============================================
   ALERTS
   ============================================ */

.alert {
    display: flex;
    align-items: flex-start;
    gap: var(--space-md);
    padding: var(--space-md);
    border-radius: var(--radius-md);
    border: 2px solid transparent;
}

.alert-icon {
    flex-shrink: 0;
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.alert-content {
    flex: 1;
}

.alert-title {
    font-weight: 700;
    margin-bottom: var(--space-xs);
}

.alert-message {
    font-size: var(--text-sm);
    margin: 0;
}

.alert-success {
    background-color: rgba(88, 204, 2, 0.1);
    border-color: var(--success-green);
    color: var(--success-green);
}

.alert-warning {
    background-color: rgba(255, 150, 0, 0.1);
    border-color: var(--warning-orange);
    color: var(--warning-orange);
}

.alert-danger {
    background-color: rgba(255, 75, 75, 0.1);
    border-color: var(--error-red);
    color: var(--error-red);
}

.alert-info {
    background-color: rgba(28, 176, 246, 0.1);
    border-color: var(--info-blue);
    color: var(--info-blue);
}