/* General Styles */
html {
    overflow-x: hidden;
    width: 100%;
    max-width: 100%;
}

body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    background-color: #f4f4f9;
    color: #333;
    /* center page content and ensure full height for vertical centering */
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 16px;
    box-sizing: border-box;
    width: 100%;
    max-width: 100vw;
    overflow-x: hidden !important;
}

.container {
    max-width: 420px;
    width: 100%;
    padding: 28px;
    border-radius: 14px;
    /* glassmorphism background */
    /* slightly darker translucent layer for better contrast */
    background: linear-gradient(180deg, rgba(10,12,20,0.58), rgba(6,8,16,0.54));
    border: 1px solid rgba(255, 255, 255, 0.08);
    box-shadow: 0 12px 40px rgba(2, 6, 23, 0.55);
    backdrop-filter: blur(10px) saturate(120%);
    -webkit-backdrop-filter: blur(10px) saturate(120%);
    color: #f7f9fb;
    box-sizing: border-box;
}

@media (max-width: 480px) {
    .container {
        padding: 22px;
        border-radius: 12px;
    }
}

@media (max-width: 380px) {
    .container {
        padding: 18px;
        border-radius: 10px;
    }
}

h1 {
    text-align: center;
    color: #ffffff;
    margin-top: 0;
    margin-bottom: 18px;
    font-size: 1.6rem;
}

.container p, .container label, .container a {
    color: rgba(255,255,255,0.95);
    text-shadow: 0 1px 0 rgba(0,0,0,0.25);
}

.form-group {
    margin-bottom: 15px;
}

label {
    display: block;
    margin-bottom: 5px;
    font-weight: bold;
}

input[type="text"],
input[type="password"] {
    width: 100%;
    padding: 12px 14px;
    border: 1px solid rgba(255,255,255,0.12);
    border-radius: 10px;
    box-sizing: border-box;
    background: rgba(255,255,255,0.06);
    color: #fff;
    outline: none;
    transition: box-shadow 0.15s ease, border-color 0.15s ease;
}

input[type="text"]::placeholder,
input[type="password"]::placeholder {
    color: rgba(255,255,255,0.6);
}

input[type="text"]:focus,
input[type="password"]:focus {
    box-shadow: 0 4px 14px rgba(79, 84, 255, 0.12);
    border-color: rgba(120, 150, 255, 0.85);
}

button.btn {
    display: block;
    width: 100%;
    padding: 12px 14px;
    background: linear-gradient(135deg, rgba(83, 163, 255, 0.9), rgba(119, 102, 255, 0.9));
    color: #fff;
    border: none;
    border-radius: 10px;
    cursor: pointer;
    font-size: 16px;
    font-weight: 600;
    box-shadow: 0 6px 18px rgba(56, 96, 255, 0.18);
}

button.btn:hover {
    transform: translateY(-1px);
}

.error {
    color: #ffdddd;
    background: rgba(255, 0, 0, 0.12);
    padding: 8px 10px;
    border-radius: 8px;
    text-align: center;
}

.success {
    color: #eaffea;
    background: rgba(0, 200, 100, 0.08);
    padding: 8px 10px;
    border-radius: 8px;
    text-align: center;
}

/* Dashboard grid and cards */
.container.dashboard { max-width: 1200px; width: 100%; }
.dashboard-header h1 { margin: 0; font-size: 1.6rem; }
.dashboard-grid { margin-top: 18px; display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 16px; }
.card { background: linear-gradient(180deg, rgba(255,255,255,0.03), rgba(255,255,255,0.02)); padding: 14px; border-radius: 12px; border: 1px solid rgba(255,255,255,0.04); box-shadow: 0 10px 30px rgba(2,6,23,0.35); }
.card h3 { margin: 0 0 8px 0; color: #fff; font-size: 1.05rem; }
.card .meta { color: rgba(255,255,255,0.75); font-size: 0.85rem; margin: 0 0 8px 0; }
.card .desc { color: rgba(255,255,255,0.88); font-size: 0.95rem; margin-bottom: 12px; }
.card-actions { display: flex; gap:8px; justify-content: flex-end; }
.btn.small { display: inline-block; width: auto; padding: 8px 12px; font-size: 0.9rem; border-radius: 8px; }
.card.empty { text-align: center; color: rgba(255,255,255,0.9); }

.card { transition: transform 0.18s ease, box-shadow 0.18s ease; }
.card:hover { transform: translateY(-6px); box-shadow: 0 18px 42px rgba(2,6,23,0.5); }

@media (max-width: 600px) {
    h1 {
        font-size: 1.4rem;
        margin-bottom: 14px;
    }
    .form-group {
        margin-bottom: 12px;
    }
    input[type="text"],
    input[type="password"],
    button.btn {
        padding: 11px 12px;
        font-size: 14px;
    }
    label {
        font-size: 13px;
    }
}

@media (max-width: 480px) {
    .dashboard-grid { grid-template-columns: 1fr; }
    h1 {
        font-size: 1.2rem;
        margin-bottom: 12px;
    }
}