:root {
    --bg: #030a16;
    --bg-soft: #08162d;
    --primary: #0a84ff;
    --secondary: #12d7ff;
    --accent: #12f29a;
    --text: #f4f9ff;
}

body {
    background:
        radial-gradient(circle at 15% 10%, rgba(10, 132, 255, 0.18), transparent 28%),
        radial-gradient(circle at 80% 20%, rgba(18, 242, 154, 0.18), transparent 30%),
        linear-gradient(160deg, var(--bg) 0%, #061126 45%, #020812 100%);
    color: var(--text);
    min-height: 100vh;
    font-feature-settings: "liga" 1, "kern" 1;
}

.dayup-navbar {
    background: rgba(3, 10, 22, 0.9);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(18, 215, 255, 0.2);
}

.navbar-brand span {
    font-weight: 700;
    letter-spacing: 0.3px;
}

.hero {
    padding-top: 1.5rem;
}

.hero-card,
.promo-panel,
.feature-card,
.auth-card,
.glass-card {
    background: linear-gradient(145deg, rgba(9, 28, 56, 0.82), rgba(6, 18, 38, 0.9));
    border: 1px solid rgba(18, 215, 255, 0.25);
    border-radius: 1rem;
    box-shadow: 0 16px 32px rgba(0, 0, 0, 0.35);
    transition: transform 0.18s ease, box-shadow 0.18s ease, border-color 0.18s ease;
}

.hero-card,
.promo-panel,
.feature-card,
.auth-card,
.glass-card {
    padding: 1.25rem;
}

.hero-card:hover,
.promo-panel:hover,
.feature-card:hover,
.auth-card:hover,
.glass-card:hover {
    transform: translateY(-2px);
    border-color: rgba(18, 242, 154, 0.45);
    box-shadow: 0 18px 34px rgba(0, 0, 0, 0.4);
}

.hero-logo {
    width: 110px;
    height: auto;
}

.btn-dayup {
    background: linear-gradient(90deg, var(--primary), var(--accent));
    border: 0;
    color: #001022;
    font-weight: 700;
}

.btn-dayup:hover {
    filter: brightness(1.08);
    color: #001022;
}

.form-control:focus {
    border-color: rgba(10, 132, 255, 0.9);
    box-shadow: 0 0 0 0.2rem rgba(10, 132, 255, 0.2);
}

.auth-card .form-control,
.glass-card .form-control,
.glass-card .list-group-item {
    background-color: rgba(255, 255, 255, 0.95);
}

.stats-card {
    background: linear-gradient(145deg, rgba(6, 18, 38, 0.9), rgba(8, 28, 58, 0.85));
    border: 1px solid rgba(18, 215, 255, 0.2);
    border-radius: 0.9rem;
    padding: 0.95rem 1rem;
}

.stats-label {
    display: block;
    font-size: 0.78rem;
    color: rgba(235, 245, 255, 0.8);
    text-transform: uppercase;
    letter-spacing: 0.7px;
}

.stats-value {
    font-size: 1.45rem;
    font-weight: 700;
}

.task-list .task-item {
    border-radius: 0.8rem;
    margin-bottom: 0.65rem;
    border: 1px solid rgba(4, 16, 34, 0.08);
}

.task-item.done {
    background: #e6fff5;
    border-color: rgba(18, 242, 154, 0.5);
}

.task-date {
    color: #2b5f91;
    font-weight: 700;
    font-size: 0.9rem;
}

.task-desc {
    color: #111827;
    font-size: 1rem;
}

.install-prompt {
    position: fixed;
    left: 0;
    right: 0;
    bottom: 1rem;
    display: flex;
    justify-content: center;
    z-index: 999;
}

.install-box {
    background: rgba(2, 13, 28, 0.95);
    border: 1px solid rgba(18, 242, 154, 0.45);
    border-radius: 1rem;
    padding: 1rem;
    width: min(92vw, 420px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.45);
}

.site-footer {
    border-top: 1px solid rgba(18, 215, 255, 0.2);
    background: rgba(3, 10, 22, 0.9);
    backdrop-filter: blur(10px);
    color: rgba(234, 245, 255, 0.85);
    font-size: 0.92rem;
}

.footer-copy {
    color: rgba(234, 245, 255, 0.88);
    font-size: 0.86rem;
}