* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --bg-warm: #F6F1E8;
    --surface: #FBF7EF;
    --surface-white: #FFFFFF;
    --border: #E2D9C8;
    --ink: #1F2421;
    --text-muted: #8A8A80;
    --accent: #C8853F;
    --accent-hover: #A86B2C;
    --accent-tint: #F0E3D0;
    --dark-block: #2A2723;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: var(--bg-warm);
    color: var(--ink);
    line-height: 1.6;
    min-height: 100vh;
}

.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.nav {
    position: sticky;
    top: 0;
    background: rgba(246, 241, 232, 0.9);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
    z-index: 100;
}

.nav-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem 1.5rem;
    display: flex;
    align-items: center;
    gap: 1rem;
}

.logo {
    font-family: 'DM Serif Display', serif;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--ink);
}

.status-pill {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    background: var(--accent-tint);
    color: var(--accent);
    font-size: 0.75rem;
    font-weight: 600;
    border-radius: 999px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.container {
    max-width: 800px;
    margin: 0 auto;
    padding: 2rem 1.5rem;
}

.hero {
    margin-bottom: 3rem;
}

.eyebrow {
    display: inline-block;
    padding: 0.375rem 1rem;
    background: var(--accent-tint);
    color: var(--accent);
    font-size: 0.875rem;
    font-weight: 600;
    border-radius: 999px;
    margin-bottom: 1.5rem;
}

.hero-title {
    font-family: 'DM Serif Display', serif;
    font-size: clamp(2.5rem, 6vw, 4rem);
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: 1rem;
    letter-spacing: -0.02em;
}

.hero-title em {
    color: var(--accent);
    font-style: italic;
}

.hero-description {
    font-size: 1.125rem;
    color: var(--text-muted);
    max-width: 600px;
}

.card {
    background: var(--surface-white);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 2rem;
    box-shadow: 0 2px 8px rgba(42, 39, 35, 0.06);
}

.task-form {
    display: flex;
    gap: 0.75rem;
    margin-bottom: 1.5rem;
}

.task-input {
    flex: 1;
    padding: 0.875rem 1.25rem;
    font-family: inherit;
    font-size: 1rem;
    border: 2px solid var(--border);
    border-radius: 12px;
    background: var(--surface);
    color: var(--ink);
    transition: all 0.2s;
}

.task-input:focus {
    outline: none;
    border-color: var(--accent);
    background: var(--surface-white);
}

.btn {
    padding: 0.875rem 1.5rem;
    font-family: inherit;
    font-size: 1rem;
    font-weight: 600;
    border: none;
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.2s;
}

.btn-primary {
    background: var(--accent);
    color: white;
}

.btn-primary:hover {
    background: var(--accent-hover);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(200, 133, 63, 0.3);
}

.btn-primary:active {
    transform: translateY(0);
}

.task-stats {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-bottom: 1rem;
    margin-bottom: 1rem;
    border-bottom: 1px solid var(--border);
    font-size: 0.875rem;
    color: var(--text-muted);
}

.btn-text {
    background: none;
    border: none;
    color: var(--accent);
    font-family: inherit;
    font-size: 0.875rem;
    font-weight: 600;
    cursor: pointer;
    padding: 0.25rem 0.5rem;
    transition: color 0.2s;
}

.btn-text:hover {
    color: var(--accent-hover);
}

.task-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.task-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 10px;
    transition: all 0.2s;
}

.task-item:hover {
    border-color: var(--accent);
}

.task-item.completed {
    opacity: 0.6;
}

.task-checkbox {
    width: 20px;
    height: 20px;
    cursor: pointer;
    accent-color: var(--accent);
}

.task-text {
    flex: 1;
    font-size: 1rem;
}

.task-item.completed .task-text {
    text-decoration: line-through;
}

.btn-delete {
    padding: 0.5rem 0.75rem;
    background: none;
    border: 1px solid var(--border);
    border-radius: 8px;
    color: var(--text-muted);
    font-size: 0.875rem;
    cursor: pointer;
    transition: all 0.2s;
}

.btn-delete:hover {
    background: var(--dark-block);
    color: white;
    border-color: var(--dark-block);
}

.empty-state {
    text-align: center;
    padding: 3rem 1rem;
    color: var(--text-muted);
}

.empty-state svg {
    margin-bottom: 1rem;
    color: var(--accent);
    opacity: 0.4;
}

.empty-state.hidden {
    display: none;
}

@media (max-width: 640px) {
    .container {
        padding: 1.5rem 1rem;
    }

    .hero {
        margin-bottom: 2rem;
    }

    .hero-title {
        font-size: 2rem;
    }

    .card {
        padding: 1.5rem;
    }

    .task-form {
        flex-direction: column;
    }

    .btn {
        width: 100%;
    }
}