/* Example 2 - Light Professional Design */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary: #2563eb;
    --primary-hover: #1d4ed8;
    --secondary: #64748b;
    --success: #16a34a;
    --warning: #ea580c;
    --danger: #dc2626;
    --light-bg: #f8fafc;
    --white: #ffffff;
    --text-primary: #0f172a;
    --text-secondary: #64748b;
    --border: #e2e8f0;
    --shadow: rgba(0, 0, 0, 0.05);
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--light-bg);
    color: var(--text-primary);
    line-height: 1.6;
}

/* Login Screen */
.login-screen {
    min-height: 100vh;
    display: flex;
}

.login-split {
    display: flex;
    width: 100%;
    min-height: 100vh;
}

.login-left {
    flex: 1;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 3rem;
}

.login-branding {
    max-width: 500px;
    color: white;
}

.login-branding h1 {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.login-branding p {
    font-size: 1.25rem;
    opacity: 0.9;
}

.login-right {
    flex: 1;
    background: white;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 3rem;
}

.login-form-container {
    width: 100%;
    max-width: 420px;
}

.login-form-container h2 {
    font-size: 2rem;
    margin-bottom: 2rem;
    color: var(--text-primary);
}

.login-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.form-group label {
    font-weight: 600;
    color: var(--text-primary);
    font-size: 0.875rem;
}

.form-group input {
    padding: 0.875rem 1rem;
    background: var(--light-bg);
    border: 2px solid var(--border);
    border-radius: 8px;
    color: var(--text-primary);
    font-size: 1rem;
    transition: all 0.2s;
}

.form-group input:focus {
    outline: none;
    border-color: var(--primary);
    background: white;
}

.btn-primary {
    padding: 1rem 1.5rem;
    background: var(--primary);
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.btn-primary:hover {
    background: var(--primary-hover);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
}

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

.btn-secondary {
    padding: 0.875rem 1.5rem;
    background: white;
    color: var(--text-primary);
    border: 2px solid var(--border);
    border-radius: 8px;
    font-size: 0.875rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
}

.btn-secondary:hover {
    border-color: var(--primary);
    color: var(--primary);
}

.btn-secondary.full-width {
    width: 100%;
}

.btn-danger {
    padding: 0.875rem 1.5rem;
    background: var(--danger);
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 0.875rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
}

.btn-danger:hover {
    background: #b91c1c;
}

/* Dashboard */
.dashboard {
    display: flex;
    height: 100vh;
    background: var(--light-bg);
}

/* Sidebar */
.sidebar {
    width: 280px;
    background: white;
    border-right: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    overflow-y: auto;
}

.sidebar-header {
    padding: 1.5rem;
    border-bottom: 1px solid var(--border);
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary);
}

.logo svg {
    width: 32px;
    height: 32px;
}

.sidebar-nav {
    padding: 1rem;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.nav-section {
    margin-bottom: 1rem;
}

.nav-section-title {
    padding: 0.5rem 1rem;
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    color: var(--text-secondary);
    text-decoration: none;
    border-radius: 8px;
    transition: all 0.2s;
    font-weight: 500;
}

.nav-item:hover {
    background: var(--light-bg);
    color: var(--text-primary);
}

.nav-item.active {
    background: var(--primary);
    color: white;
}

.nav-icon {
    width: 20px;
    height: 20px;
}

/* Main Content */
.main-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.topbar {
    padding: 1.5rem 2rem;
    background: white;
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.topbar-left {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.page-title {
    font-size: 1.75rem;
    font-weight: 700;
}

.breadcrumb {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-secondary);
    font-size: 0.875rem;
}

.breadcrumb svg {
    width: 14px;
    height: 14px;
}

.user-menu {
    position: relative;
}

.user-profile {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.5rem 1rem;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.2s;
    border: 1px solid transparent;
}

.user-profile:hover {
    background: var(--light-bg);
    border-color: var(--border);
}

.profile-img {
    width: 44px;
    height: 44px;
    border-radius: 50%;
}

.profile-info {
    display: flex;
    flex-direction: column;
}

.profile-name {
    font-weight: 600;
    font-size: 0.9375rem;
}

.profile-role {
    font-size: 0.75rem;
    color: var(--text-secondary);
}

.dropdown-arrow {
    width: 18px;
    height: 18px;
    color: var(--text-secondary);
}

.user-dropdown {
    position: absolute;
    top: calc(100% + 0.5rem);
    right: 0;
    background: white;
    border: 1px solid var(--border);
    border-radius: 12px;
    box-shadow: 0 10px 40px var(--shadow);
    min-width: 220px;
    display: none;
    z-index: 1000;
    padding: 0.5rem;
}

.user-dropdown.show {
    display: block;
}

.dropdown-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    color: var(--text-primary);
    text-decoration: none;
    transition: all 0.2s;
    border-radius: 6px;
}

.dropdown-item:hover {
    background: var(--light-bg);
}

.dropdown-item svg {
    width: 18px;
    height: 18px;
    color: var(--text-secondary);
}

.dropdown-divider {
    height: 1px;
    background: var(--border);
    margin: 0.5rem 0;
}

/* Content Area */
.content-area {
    flex: 1;
    overflow-y: auto;
    padding: 2rem;
}

.page {
    display: none;
}

.page.active {
    display: block;
}

/* Stats Grid */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.stat-card {
    background: white;
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 1.5rem;
    display: flex;
    align-items: center;
    gap: 1rem;
}

.stat-icon {
    width: 56px;
    height: 56px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.stat-icon svg {
    width: 28px;
    height: 28px;
    color: white;
}

.stat-icon.open {
    background: linear-gradient(135deg, #f97316 0%, #ea580c 100%);
}

.stat-icon.progress {
    background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
}

.stat-icon.completed {
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
}

.stat-value {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-primary);
}

.stat-label {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

/* ToDo List */
.todo-list {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.todo-card {
    background: white;
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 1.5rem;
    transition: all 0.2s;
}

.todo-card:hover {
    box-shadow: 0 4px 16px var(--shadow);
    border-color: var(--primary);
}

.todo-card-header {
    margin-bottom: 1.5rem;
}

.todo-title-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 0.75rem;
}

.todo-title {
    font-size: 1.25rem;
    font-weight: 600;
}

.todo-description {
    color: var(--text-secondary);
    font-size: 0.9375rem;
}

.status-pill {
    padding: 0.375rem 0.875rem;
    border-radius: 20px;
    font-size: 0.8125rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
}

.status-open {
    background: #fef2f2;
    color: #dc2626;
}

.status-progress {
    background: #fffbeb;
    color: #d97706;
}

.status-completed {
    background: #f0fdf4;
    color: #16a34a;
}

.status-pill:hover {
    transform: scale(1.05);
}

.todo-meta-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.meta-box {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    padding: 1rem;
    background: var(--light-bg);
    border-radius: 8px;
}

.meta-box svg {
    width: 20px;
    height: 20px;
    color: var(--text-secondary);
    margin-top: 0.125rem;
}

.meta-label {
    font-size: 0.75rem;
    color: var(--text-secondary);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.025em;
}

.meta-value {
    color: var(--text-primary);
    font-weight: 500;
}

.todo-actions-row {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
}

.action-btn {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.625rem 1.25rem;
    background: var(--light-bg);
    border: 1px solid var(--border);
    border-radius: 8px;
    color: var(--text-primary);
    cursor: pointer;
    transition: all 0.2s;
    font-weight: 500;
    font-size: 0.875rem;
}

.action-btn:hover {
    background: white;
    border-color: var(--primary);
    color: var(--primary);
}

.action-btn svg {
    width: 16px;
    height: 16px;
}

/* Page Actions */
.page-actions {
    display: flex;
    justify-content: flex-end;
    margin-bottom: 2rem;
}

/* List Container */
.list-container {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.list-item {
    background: white;
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 1.5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    transition: all 0.2s;
}

.list-item:hover {
    box-shadow: 0 2px 8px var(--shadow);
}

.list-item-main {
    display: flex;
    align-items: center;
    gap: 1rem;
    flex: 1;
}

.role-color-bar {
    width: 4px;
    height: 48px;
    border-radius: 2px;
}

.list-item-content {
    flex: 1;
}

.list-item-title {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 0.25rem;
}

.list-item-subtitle {
    color: var(--text-secondary);
    font-size: 0.875rem;
}

.list-item-badges {
    margin-top: 0.5rem;
}

.badge {
    display: inline-flex;
    padding: 0.25rem 0.75rem;
    background: var(--light-bg);
    border-radius: 6px;
    font-size: 0.8125rem;
    font-weight: 500;
    color: var(--text-secondary);
}

.badge-success {
    background: #f0fdf4;
    color: #16a34a;
}

.list-item-actions {
    display: flex;
    gap: 0.5rem;
}

.icon-btn {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--light-bg);
    border: 1px solid var(--border);
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.2s;
    color: var(--text-secondary);
}

.icon-btn:hover {
    background: white;
    border-color: var(--primary);
    color: var(--primary);
}

.icon-btn.danger:hover {
    border-color: var(--danger);
    color: var(--danger);
}

.icon-btn svg {
    width: 18px;
    height: 18px;
}

.user-avatar-large {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--primary);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.125rem;
}

/* Settings */
.settings-layout {
    display: flex;
    flex-direction: column;
    gap: 2rem;
    max-width: 800px;
}

.settings-card {
    background: white;
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 2rem;
}

.card-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
}

.settings-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.profile-header {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid var(--border);
    margin-bottom: 1.5rem;
}

.profile-image-large {
    width: 96px;
    height: 96px;
    border-radius: 50%;
}

.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 2000;
    align-items: center;
    justify-content: center;
}

.modal.show {
    display: flex;
}

.modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
}

.modal-container {
    position: relative;
    background: white;
    padding: 2rem;
    border-radius: 16px;
    max-width: 480px;
    width: 90%;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

.modal-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
}

.modal-text {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
}

.modal-buttons {
    display: flex;
    gap: 1rem;
    justify-content: flex-end;
}

.status-select {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.status-option {
    background: var(--light-bg);
    border: 2px solid var(--border);
    padding: 1rem;
    border-radius: 10px;
    cursor: pointer;
    transition: all 0.2s;
}

.status-option:hover {
    border-color: var(--primary);
    background: white;
}

/* Responsive */
@media (max-width: 768px) {    
    .login-split {
        flex-direction: column;
    }

    .login-left {
        min-height: 40vh;
    }

    .sidebar {
        width: 240px;
    }

    .topbar {
        padding: 1rem;
    }

    .content-area {
        padding: 1rem;
    }

    .stats-grid {
        grid-template-columns: 1fr;
    }
}

/* Footer */
.footer {
    background: var(--white);
    border-top: 1px solid var(--border);
    padding: 1.5rem 2rem;
    text-align: center;
    color: var(--text-secondary);
    font-size: 0.875rem;
}

.footer p {
    margin: 0;
}

.footer a {
    color: var(--primary);
    text-decoration: none;
    transition: color 0.2s;
}

.footer a:hover {
    color: var(--primary-hover);
    text-decoration: underline;
}