:root {
    --bg: #0b0b0d;
    --card: rgba(40, 0, 0, 0.45);
    --card-hover: rgba(60, 0, 0, 0.55);
    --border: rgba(255,255,255,.08);
    --text: #f5f5f5;
    --muted: #e5bcbc;
    --red-1: #ff4d4d;
    --red-2: #d62828;
    --red-3: #7f1d1d;
    --radius: 18px;
}

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

body {
    font-family:
        Inter,
        system-ui,
        -apple-system,
        BlinkMacSystemFont,
        "Segoe UI",
        sans-serif;
    color: var(--text);
    background:
        radial-gradient(circle at top left,#7f1d1d 0%,transparent 35%),
        radial-gradient(circle at bottom right,#991b1b 0%,transparent 35%),
        linear-gradient(135deg,#1a0000,#3b0000,#5f0000);
    min-height: 100vh;
}

/* ==================================================
   GENERIC LAYOUT
   ================================================== */

.container {
    max-width: 900px;
    margin: 0 auto;
    padding: 40px 20px;
}

.card {
    background: var(--card);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid rgba(255,100,100,.15);
    border-radius: var(--radius);
    padding: 32px;
    box-shadow:
        0 10px 40px rgba(0,0,0,.35),
        0 0 20px rgba(127,29,29,.15);
}

/* ==================================================
   LOGIN PAGE
   ================================================== */

.login-wrapper {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    padding: 20px;
}

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

h1 {
    margin-bottom: 12px;
    font-size: 2rem;
    color: #ffffff;
}

h2 {
    margin-bottom: 10px;
    color: #ffffff;
}

.subtitle {
    color: var(--muted);
    margin-bottom: 28px;
}

label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: #f5d0d0;
}

input {
    width: 100%;
    padding: 12px;
    border-radius: 8px;
    border: 1px solid var(--red-3);
    background: rgba(20,0,0,.7);
    color: white;
    margin-bottom: 18px;
    transition: all .2s ease;
}

input::placeholder {
    color: #caa3a3;
}

input:focus {
    outline: none;
    border-color: #ef4444;
    box-shadow:
        0 0 0 3px rgba(239,68,68,.2);
}

button,
.btn {
    display: inline-block;
    padding: 12px 18px;
    border: none;
    border-radius: 8px;
    background:
        linear-gradient(135deg,#dc2626,#991b1b);
    color: white;
    text-decoration: none;
    cursor: pointer;
    font-weight: 600;
    transition: all .2s ease;
}

button:hover,
.btn:hover {
    background:
        linear-gradient(
            135deg,
            #ef4444,
            #b91c1c
        );

    transform: translateY(-1px);
    box-shadow:
        0 5px 15px rgba(239,68,68,.25);
}

.error {
    background: rgba(127,29,29,.35);
    border: 1px solid rgba(239,68,68,.4);
    color: #fecaca;
    padding: 12px;
    border-radius: 8px;
    margin-bottom: 20px;
}

.denied {
    border-left: 4px solid #ef4444;
}

.success {
    border-left: 4px solid #22c55e;
}

/* ==================================================
   LANDING PAGE
   ================================================== */

.header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
}

.info-grid {
    display: grid;
    gap: 16px;
    margin-top: 20px;
}

.info-box {
    background: rgba(255,0,0,.06);
    border: 1px solid rgba(255,100,100,.08);
    padding: 16px;
    border-radius: 10px;
}

.small {
    color: var(--muted);
    font-size: .9rem;
}

/* ==================================================
   LINKS / DASHBOARD PAGE
   ================================================== */

.links-page {
    max-width: 1600px;
    margin: auto;

    padding: 3rem 1.5rem;
}

.hero {
    margin-bottom: 2.5rem;
}

.hero h1 {
    margin: 0;
    font-size: clamp(
        2.5rem,
        5vw,
        4.5rem
    );

    font-weight: 800;
    background:
        linear-gradient(
            135deg,
            var(--red-1),
            var(--red-2)
        );
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero p {
    color: var(--muted);
    margin-top: .75rem;
}

.categories {
    display: grid;
    grid-template-columns:
        repeat(
            auto-fit,
            minmax(320px, 1fr)
        );
    gap: 1.5rem;
}

.category {
    background: rgba(20,20,23,.75);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    backdrop-filter: blur(10px);
}

.category h2 {
    margin: 0;
    padding: 1rem 1.25rem;
    font-size: 1rem;
    font-weight: 700;
    border-bottom: 1px solid var(--border);
    background:
        linear-gradient(
            90deg,
            rgba(255,77,77,.15),
            transparent
        );
}

.category a {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: .85rem 1.25rem;
    color: var(--text);
    text-decoration: none;
    transition:
        background .15s ease,
        padding-left .15s ease;
}

.category a:hover {
    background: var(--card-hover);
    padding-left: 1.6rem;
}

.category a::after {
    content: '↗';
    color: var(--red-1);
    opacity: .7;
}

.category a + a {
    border-top:
        1px solid rgba(
            255,
            255,
            255,
            .04
        );
}

/* ==================================================
   GENERIC TYPOGRAPHY
   ================================================== */

p {
    line-height: 1.6;
}

ul {
    line-height: 1.8;
}

strong {
    color: #ffffff;
}

a {
    color: #fca5a5;
}

a:hover {
    color: #fecaca;
}

/* ==================================================
   SCROLLBAR
   ================================================== */

::-webkit-scrollbar {
    width: 0px;
}

/* ==================================================
   MOBILE
   ================================================== */

@media (max-width: 768px) {

    .header {
        flex-direction: column;
        align-items: flex-start;
        gap: 15px;
    }

    .container {
        padding: 20px;
    }

    .card {
        padding: 24px;
    }

    h1 {
        font-size: 1.7rem;
    }

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