* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Inter', sans-serif;
}
body {
    background-color: #ffffff;
    color: #111111;
    min-height: 100vh;
    display: flex;
    justify-content: center;
    line-height: 1.5;
}
.hidden {
    display: none !important;
}
.app-container {
    width: 100%;
    max-width: 800px;
    padding: 40px 20px;
}
.auth-screen {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 70vh;
}
.auth-card {
    text-align: center;
    padding: 40px;
    border: 1px solid #eaeaea;
    border-radius: 8px;
    width: 100%;
    max-width: 360px;
}
.auth-header h2 {
    font-size: 24px;
    font-weight: 600;
}
.auth-header p {
    color: #666666;
    font-size: 14px;
    margin-top: 4px;
}
.google-login-container {
    margin-top: 24px;
    display: flex;
    justify-content: center;
}
.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-bottom: 24px;
    border-bottom: 1px solid #eaeaea;
    margin-bottom: 32px;
}
.nav-brand {
    font-size: 18px;
    font-weight: 600;
}
.user-profile {
    display: flex;
    align-items: center;
    gap: 16px;
}
.user-name {
    font-size: 14px;
}
.btn-text {
    background: none;
    border: none;
    color: #666666;
    font-size: 14px;
    cursor: pointer;
}
.btn-text:hover {
    color: #111111;
}
.stats-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
    margin-bottom: 32px;
}
.stat-card {
    padding: 20px;
    border: 1px solid #eaeaea;
    border-radius: 8px;
    display: flex;
    flex-direction: column;
    gap: 8px;
}
.stat-label {
    font-size: 13px;
    color: #666666;
}
.stat-value {
    font-size: 24px;
    font-weight: 600;
}
.action-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
    margin-bottom: 24px;
    flex-wrap: wrap;
}
#search-input {
    padding: 8px 12px;
    border: 1px solid #eaeaea;
    border-radius: 6px;
    font-size: 14px;
    outline: none;
    flex: 1;
    min-width: 200px;
}
#search-input:focus {
    border-color: #111111;
}
.filter-group {
    display: flex;
    gap: 8px;
}
.filter-chip {
    background: none;
    border: 1px solid transparent;
    padding: 6px 12px;
    font-size: 13px;
    cursor: pointer;
    border-radius: 6px;
    color: #666666;
}
.filter-chip.active {
    background: #f5f5f5;
    color: #111111;
}
.btn-group {
    display: flex;
    gap: 8px;
}
.btn-primary, .btn-outline {
    padding: 8px 16px;
    font-size: 14px;
    border-radius: 6px;
    cursor: pointer;
    border: 1px solid #111111;
}
.btn-primary {
    background: #111111;
    color: #ffffff;
}
.btn-outline {
    background: transparent;
    color: #111111;
}
.task-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}
.task-card {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    padding: 16px;
    border: 1px solid #eaeaea;
    border-radius: 8px;
}
.task-card.completed {
    opacity: 0.5;
}
.task-card.completed .task-title {
    text-decoration: line-through;
}
.task-card.due-soon {
    border-color: #f5c623;
    background: #fffbea;
}
.due-soon-badge {
    background: #f5c623;
    color: #111111;
    padding: 2px 8px;
    font-size: 11px;
    border-radius: 999px;
    display: inline-flex;
    align-items: center;
    margin-top: 4px;
}
.task-left {
    display: flex;
    gap: 12px;
}
.task-checkbox {
    margin-top: 4px;
    cursor: pointer;
    width: 16px;
    height: 16px;
    accent-color: #111111;
}
.task-details {
    display: flex;
    flex-direction: column;
    gap: 4px;
}
.task-title {
    font-size: 15px;
    font-weight: 500;
}
.task-desc {
    font-size: 13px;
    color: #666666;
}
.task-meta {
    display: flex;
    gap: 8px;
    font-size: 12px;
    color: #888888;
    margin-top: 4px;
}
.task-actions {
    display: flex;
    gap: 8px;
}
.action-btn {
    background: none;
    border: none;
    font-size: 13px;
    color: #666666;
    cursor: pointer;
}
.action-btn:hover {
    color: #111111;
}
.empty-state {
    text-align: center;
    padding: 40px;
    color: #666666;
    font-size: 14px;
    border: 1px dashed #eaeaea;
    border-radius: 8px;
}
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.4);
    display: flex;
    justify-content: center;
    align-items: center;
}
.modal-card {
    background: #ffffff;
    padding: 32px;
    border-radius: 8px;
    width: 100%;
    max-width: 400px;
}
.modal-header {
    margin-bottom: 24px;
}
.modal-header h3 {
    font-size: 18px;
    font-weight: 600;
}
.input-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
    margin-bottom: 16px;
}
.input-group label {
    font-size: 13px;
    font-weight: 500;
}
.input-group input, .input-group textarea, .input-group select {
    padding: 10px;
    border: 1px solid #eaeaea;
    border-radius: 6px;
    font-size: 14px;
    outline: none;
}
.input-group input:focus, .input-group textarea:focus, .input-group select:focus {
    border-color: #111111;
}
.form-row {
    display: flex;
    gap: 16px;
}
.form-row .input-group {
    flex: 1;
}
.modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: 8px;
    margin-top: 24px;
}
.toast-container {
    position: fixed;
    bottom: 24px;
    right: 24px;
    display: flex;
    flex-direction: column;
    gap: 8px;
}
.toast {
    background: #111111;
    color: #ffffff;
    padding: 12px 20px;
    border-radius: 6px;
    font-size: 14px;
    transition: opacity 0.2s ease;
}
.toast.fade-out {
    opacity: 0;
}