:root {
    --bg: #0d1117;
    --panel: rgba(13, 17, 23, 0.78);
    --panel-border: rgba(0, 255, 163, 0.18);
    --text: #e6edf3;
    --muted: #8b949e;
    --accent: #00ffa3;
    --accent-blue: #38bdf8;
    --danger: #ff6b81;
    --shadow: 0 24px 80px rgba(0, 0, 0, 0.45);
}

html {
    scroll-behavior: smooth;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    min-height: 100vh;
    font-family: "Space Grotesk", sans-serif;
    color: var(--text);
    background:
        radial-gradient(circle at top left, rgba(0, 255, 163, 0.12), transparent 32%),
        radial-gradient(circle at top right, rgba(56, 189, 248, 0.16), transparent 30%),
        linear-gradient(160deg, #04070d 0%, #0d1117 55%, #07111b 100%);
}

body::before {
    content: "";
    position: fixed;
    inset: 0;
    background-image:
        linear-gradient(rgba(56, 189, 248, 0.05) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 255, 163, 0.05) 1px, transparent 1px);
    background-size: 42px 42px;
    pointer-events: none;
    opacity: 0.3;
}

.page-shell {
    position: relative;
    z-index: 1;
    width: min(1100px, calc(100% - 32px));
    margin: 0 auto;
    padding: 56px 0;
}

.hero-panel,
.results-card,
.scan-card,
.status-panel {
    backdrop-filter: blur(14px);
}

.hero-panel {
    display: grid;
    grid-template-columns: 1.2fr 0.9fr;
    gap: 24px;
    align-items: stretch;
    margin-bottom: 24px;
}

.hero-copy,
.scan-card,
.results-card,
.status-panel {
    border: 1px solid var(--panel-border);
    border-radius: 24px;
    background: var(--panel);
    box-shadow: var(--shadow);
}

.hero-copy {
    padding: 36px;
}

.eyebrow {
    margin: 0 0 14px;
    color: var(--accent);
    font-family: "Share Tech Mono", monospace;
    font-size: 0.95rem;
    letter-spacing: 0.18em;
    text-transform: uppercase;
}

h1 {
    margin: 0;
    font-size: clamp(2rem, 4vw, 3.75rem);
    line-height: 1;
}

.hero-text {
    margin: 20px 0 0;
    max-width: 56ch;
    color: var(--muted);
    font-size: 1rem;
    line-height: 1.7;
}

.scan-card {
    padding: 32px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.input-label,
.result-label,
.ports-section h3,
.results-header h2 {
    font-family: "Share Tech Mono", monospace;
    letter-spacing: 0.06em;
}

.input-label {
    margin-bottom: 12px;
    color: var(--accent-blue);
    font-size: 0.92rem;
    text-transform: uppercase;
}

.scan-form {
    display: flex;
    gap: 12px;
    align-items: center;
}

input {
    width: 100%;
    padding: 16px 18px;
    border: 1px solid rgba(56, 189, 248, 0.25);
    border-radius: 14px;
    background: rgba(2, 10, 18, 0.82);
    color: var(--text);
    font-size: 1rem;
    outline: none;
    transition: border-color 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
}

input:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 4px rgba(0, 255, 163, 0.12);
    transform: translateY(-1px);
}

input::placeholder {
    color: #6e7681;
}

button {
    border: none;
    border-radius: 14px;
    padding: 16px 24px;
    min-width: 132px;
    font-family: "Space Grotesk", sans-serif;
    font-size: 1rem;
    font-weight: 700;
    color: #041017;
    background: linear-gradient(135deg, var(--accent) 0%, #64f4ff 100%);
    cursor: pointer;
    transition: transform 0.2s ease, box-shadow 0.2s ease, filter 0.2s ease;
}

button:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 32px rgba(0, 255, 163, 0.24);
    filter: saturate(1.08);
}

button:disabled {
    cursor: wait;
    opacity: 0.75;
    transform: none;
    box-shadow: none;
}

.hint-text {
    margin: 14px 0 0;
    color: var(--muted);
    font-size: 0.94rem;
}

.status-panel {
    padding: 24px;
}

.loading,
.message {
    border-radius: 16px;
    padding: 14px 16px;
    font-size: 0.98rem;
}

.loading {
    margin-bottom: 16px;
    color: var(--accent-blue);
    background: rgba(56, 189, 248, 0.08);
    border: 1px solid rgba(56, 189, 248, 0.25);
}

.message {
    margin-bottom: 16px;
    border: 1px solid rgba(255, 107, 129, 0.28);
    color: #ffd8de;
    background: rgba(255, 107, 129, 0.08);
}

.results-card {
    padding: 28px;
}

.results-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
    margin-bottom: 24px;
}

.results-header h2 {
    margin: 0;
    font-size: 1.25rem;
    text-transform: uppercase;
}

.status-badge {
    padding: 8px 14px;
    border-radius: 999px;
    font-size: 0.88rem;
    font-weight: 700;
    text-transform: uppercase;
    background: rgba(110, 118, 129, 0.18);
    color: #c9d1d9;
}

.status-badge.up {
    color: #03150f;
    background: linear-gradient(135deg, #00ffa3, #7df9c2);
}

.status-badge.down {
    color: #ffe1e6;
    background: rgba(255, 107, 129, 0.22);
}

.results-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
    margin-bottom: 24px;
}

.result-item {
    padding: 18px;
    border-radius: 18px;
    background: rgba(3, 12, 19, 0.8);
    border: 1px solid rgba(56, 189, 248, 0.14);
}

.result-label {
    display: block;
    margin-bottom: 8px;
    color: var(--muted);
    font-size: 0.85rem;
    text-transform: uppercase;
}

.result-value {
    word-break: break-word;
    font-size: 1rem;
}

.ports-section h3 {
    margin: 0 0 14px;
    color: var(--accent);
    font-size: 1rem;
    text-transform: uppercase;
}

.ports-list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: grid;
    gap: 12px;
}

.ports-list li {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
    padding: 14px 16px;
    border-radius: 14px;
    background: rgba(2, 10, 18, 0.86);
    border: 1px solid rgba(0, 255, 163, 0.12);
}

.port-number {
    color: var(--accent-blue);
    font-family: "Share Tech Mono", monospace;
}

.port-service {
    color: var(--text);
    text-transform: capitalize;
}

.empty-state {
    padding: 16px;
    border-radius: 14px;
    background: rgba(2, 10, 18, 0.86);
    border: 1px dashed rgba(139, 148, 158, 0.28);
    color: var(--muted);
}

.hidden {
    display: none;
}

@media (max-width: 900px) {
    .hero-panel {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 640px) {
    .page-shell {
        width: min(100% - 20px, 1100px);
        padding: 28px 0;
    }

    .hero-copy,
    .scan-card,
    .status-panel,
    .results-card {
        border-radius: 20px;
    }

    .hero-copy,
    .scan-card,
    .status-panel {
        padding: 22px;
    }

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

    button {
        width: 100%;
    }

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

    .ports-list li {
        flex-direction: column;
        align-items: flex-start;
    }
}
/* 🔥 HISTORY SECTION */
.history-panel {
    margin-top: 24px;
    padding: 24px;
    border-radius: 24px;
    border: 1px solid var(--panel-border);
    background: var(--panel);
    box-shadow: var(--shadow);
}

#history {
    display: grid;
    gap: 16px;
    margin-top: 16px;
}

.history-card {
    padding: 16px;
    border-radius: 16px;
    background: rgba(2, 10, 18, 0.85);
    border: 1px solid rgba(0, 255, 163, 0.12);
}

.history-card p {
    margin: 4px 0;
    font-size: 0.95rem;
}

.history-card strong {
    color: var(--accent-blue);
}
.results-card:hover,
.scan-card:hover,
.history-card:hover {
    box-shadow: 0 0 25px rgba(0, 255, 163, 0.15);
}