:root {
    --bg: #040816;
    --panel: rgba(10, 18, 36, 0.88);
    --panel-strong: rgba(12, 20, 40, 0.94);
    --line: rgba(120, 166, 255, 0.18);
    --line-soft: rgba(120, 166, 255, 0.08);
    --text: #f4f7fb;
    --muted: #a9b4d0;
    --accent: #78a6ff;
    --accent-soft: rgba(120, 166, 255, 0.15);
    --success: #7fffb3;
    --error: #ffb2b2;
    --warning: #ffe59a;
    --info: #cfe0ff;
}

* {
    box-sizing: border-box;
}

html,
body {
    margin: 0;
    min-height: 100%;
}

body {
    position: relative;
    color: var(--text);
    font-family: Arial, Helvetica, sans-serif;
    overflow-x: hidden;
    padding: 24px;

    background:
        radial-gradient(circle at 15% 25%, rgba(0, 255, 200, 0.22), transparent 35%),
        radial-gradient(circle at 85% 75%, rgba(255, 0, 200, 0.20), transparent 35%),
        radial-gradient(circle at 50% 50%, rgba(0, 140, 255, 0.22), transparent 55%),
        radial-gradient(circle at 30% 80%, rgba(0, 255, 120, 0.12), transparent 40%),
        linear-gradient(145deg, #040816, #01030a 85%);
}

body::before {
    content: "";
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 0;

    background:
        repeating-linear-gradient(
            90deg,
            rgba(0, 255, 200, 0.045) 0px,
            rgba(0, 255, 200, 0.045) 1px,
            transparent 1px,
            transparent 70px
        ),
        repeating-linear-gradient(
            0deg,
            rgba(255, 0, 200, 0.045) 0px,
            rgba(255, 0, 200, 0.045) 1px,
            transparent 1px,
            transparent 70px
        );

    opacity: 0.5;
}

body::after {
    content: "";
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 0;

    background:
        radial-gradient(circle at 20% 30%, rgba(0, 255, 200, 0.18), transparent 50%),
        radial-gradient(circle at 80% 70%, rgba(255, 0, 200, 0.16), transparent 50%),
        radial-gradient(circle at 52% 52%, rgba(0, 110, 255, 0.12), transparent 55%);

    filter: blur(42px);
    opacity: 0.7;
}

.shell {
    position: relative;
    z-index: 2;
    width: 100%;
    max-width: 1120px;
    margin: 70px auto;
    padding: 34px 30px;
    border-radius: 22px;

    background: linear-gradient(
        145deg,
        rgba(14, 24, 48, 0.90),
        rgba(8, 14, 30, 0.92)
    );

    border: 1px solid var(--line);

    box-shadow:
box-shadow:
    0 0 0 1px rgba(120, 166, 255, 0.05),
    0 0 40px rgba(120, 166, 255, 0.08),
    0 20px 60px rgba(0, 0, 0, 0.6),
    inset 0 0 40px rgba(120, 166, 255, 0.05);
}

.eyebrow {
    display: inline-block;
    font-size: 12px;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--accent);
    background: rgba(70, 110, 200, 0.22);
    border: 1px solid var(--line);
    border-radius: 999px;
    padding: 10px 16px;
    margin-bottom: 22px;
}

h1 {
    margin: 0 0 12px;
    font-size: 62px;
    line-height: 1.02;
    font-weight: 800;
    letter-spacing: -0.03em;

    text-shadow: 0 0 10px rgba(120, 166, 255, 0.15);
}
p {
    margin: 0;
    font-size: 18px;
    color: var(--muted);
    line-height: 1.6;
}

.status {
    margin-top: 28px;
    padding: 16px 22px;
    border-radius: 16px;
    border: 1px solid var(--line);
    background: rgba(255, 255, 255, 0.03);
    font-size: 15px;
    color: var(--text);
}

.status strong {
    color: var(--accent);
}

.divider {
    margin: 28px 0;
    border: none;
    height: 1px;
    background: linear-gradient(
        to right,
        transparent,
        rgba(120, 166, 255, 0.35),
        transparent
    );
}

.main-nav {
    display: flex;
    gap: 18px;
    margin: 20px 0;
    align-items: center;
}

.main-nav a {
    text-decoration: none;
    color: var(--muted);
    font-size: 16px;
    transition: color 0.2s ease;
}

.main-nav a:hover {
    color: var(--text);
}

.main-nav a.active {
    color: var(--accent);
    font-weight: 700;
}

nav {
    margin-top: 18px;
    margin-bottom: 22px;
    display: flex;
    gap: 18px;
    flex-wrap: wrap;
}

nav a {
    text-decoration: none;
    color: var(--muted);
    font-size: 16px;
    transition: color 0.15s ease;
}

nav a:hover {
    color: #bcd2ff;
}

nav a.active {
    color: var(--accent);
    font-weight: 700;
}

.view-block {
    margin-top: 18px;
}

.view-block h2 {
    margin: 0 0 16px;
    font-size: 38px;
    color: var(--text);
}

.view-block p {
    font-size: 17px;
}

/* FLASH */

.flash {
    margin: 20px 0 26px;
    padding: 15px 18px;
    border-radius: 14px;
    border: 1px solid var(--line);
    font-size: 15px;
    line-height: 1.5;
}

.flash strong {
    margin-right: 6px;
}

.flash-success {
    background: rgba(46, 204, 113, 0.12);
    border-color: rgba(46, 204, 113, 0.35);
    color: #b8ffd3;
}

.flash-error {
    background: rgba(231, 76, 60, 0.12);
    border-color: rgba(231, 76, 60, 0.35);
    color: #ffc0b8;
}

.flash-warning {
    background: rgba(241, 196, 15, 0.12);
    border-color: rgba(241, 196, 15, 0.35);
    color: #ffe9a6;
}

.flash-info {
    background: rgba(120, 166, 255, 0.12);
    border-color: rgba(120, 166, 255, 0.35);
    color: #d7e4ff;
}

/* FORMS */

.form-group {
    margin-bottom: 18px;
}

.label {
    display: block;
    font-size: 14px;
    color: var(--muted);
    margin-bottom: 8px;
}

.input {
    width: 100%;
    padding: 12px 14px;
    background: rgba(2, 6, 18, 0.95);
    border: 1px solid rgba(120, 166, 255, 0.15);
    border-radius: 10px;
    color: var(--text);
    font-size: 15px;
    transition: all 0.2s ease;
}

.input:focus {
    outline: none;
    border-color: #78a6ff;
    box-shadow:
        0 0 0 2px rgba(120, 166, 255, 0.15),
        0 0 18px rgba(120, 166, 255, 0.25);
}

.button {
    padding: 12px 22px;
    background: linear-gradient(135deg, #78a6ff, #4f7cff);
    color: #fff;
    border: none;
    border-radius: 10px;
    cursor: pointer;
    font-size: 15px;
    font-weight: 600;

    box-shadow:
        0 0 12px rgba(120, 166, 255, 0.35),
        0 6px 20px rgba(120, 166, 255, 0.25);

    transition: all 0.2s ease;
}

.button:hover {
    transform: translateY(-1px);
    box-shadow:
        0 0 18px rgba(120, 166, 255, 0.6),
        0 8px 26px rgba(120, 166, 255, 0.4);
}

.button:active {
    transform: translateY(0);
}

/* RESPONSIVE */

@media (max-width: 900px) {
    .shell {
        max-width: 100%;
        margin: 40px auto;
        padding: 26px 20px;
    }

    h1 {
        font-size: 48px;
    }

    .view-block h2 {
        font-size: 32px;
    }
}

@media (max-width: 640px) {
    body {
        padding: 14px;
    }

    .shell {
        margin: 22px auto;
        padding: 22px 16px;
        border-radius: 18px;
    }

    h1 {
        font-size: 38px;
    }

    p,
    .view-block p {
        font-size: 16px;
    }

    .view-block h2 {
        font-size: 28px;
    }

    nav {
        gap: 12px;
    }
}

.flash {
    padding: 16px 20px;
    border-radius: 14px;
    margin: 20px 0;
    font-size: 15px;
    border: 1px solid transparent;
}

.flash.success {
    background: rgba(40, 180, 120, 0.15);
    border-color: rgba(40, 180, 120, 0.4);
    color: #7ef0b3;
}

.flash.error {
    background: rgba(255, 80, 80, 0.15);
    border-color: rgba(255, 80, 80, 0.4);
    color: #ff9b9b;
}

.flash.info {
    background: rgba(120, 166, 255, 0.15);
    border-color: rgba(120, 166, 255, 0.4);
    color: #9fc0ff;
}

.flash {
    padding: 16px 20px;
    border-radius: 14px;
    margin: 20px 0;
    font-size: 15px;
    border: 1px solid transparent;
}

/* SUCCESS */
.flash-success {
    background: rgba(40, 180, 120, 0.15);
    border-color: rgba(40, 180, 120, 0.4);
    color: #7ef0b3;
}

/* ERROR */
.flash-error {
    background: rgba(255, 80, 80, 0.15);
    border-color: rgba(255, 80, 80, 0.4);
    color: #ff9b9b;
}

/* WARNING */
.flash-warning {
    background: rgba(255, 180, 60, 0.15);
    border-color: rgba(255, 180, 60, 0.4);
    color: #ffd27a;
}

/* INFO */
.flash-info {
    background: rgba(120, 166, 255, 0.15);
    border-color: rgba(120, 166, 255, 0.4);
    color: #9fc0ff;
}

.nav {
    margin-top: 20px;
    margin-bottom: 20px;
}

.nav a {
    margin-right: 14px;
    text-decoration: none;
    color: var(--muted);
    font-weight: 500;
}

.nav a.active {
    color: var(--accent);
}

.logout-link {
    color: #ff8a8a;
}

.logout-link:hover {
    color: #ff5c5c;
}