/* ---------------------------------------------------------
   Nokira Internet Speed Test — style.css
   Blend of U1 (professional) + U2 (futuristic neon Nokira)
   Layout: Gauge Left (40%) | Results Right (60%)
   Results panel scrolls independently (S1)
--------------------------------------------------------- */

/* ROOT THEME VARIABLES */
:root {
    --bg-dark: #050616;
    --bg-light: #f5f5f9;

    --text-dark: #ffffff;
    --text-light: #111827;

    --accent1: #00eaff;
    --accent2: #7b2ff7;
    --accent3: #ff9f43;

    --danger: #f97373;

    --glass-dark: rgba(255, 255, 255, 0.06);
    --glass-light: rgba(15, 23, 42, 0.06);

    --radius-card: 22px;
    --transition-fast: 0.18s ease;
    --transition-med: 0.3s ease;
}

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

body {
    font-family: system-ui, -apple-system, BlinkMacSystemFont, "Inter", sans-serif;
    min-height: 100vh;
    display: flex;
    justify-content: center;
    background: var(--bg-dark);
    color: var(--text-dark);
    transition: background var(--transition-med), color var(--transition-med);
}

/* LIGHT MODE */
body[data-theme="light"] {
    background: var(--bg-light);
    color: var(--text-light);
}

/* APP CONTAINER */
.app-container {
    width: 100%;
    max-width: 1300px;
    padding: 24px;
}

/* ---------------------------------------------------------
   HEADER
--------------------------------------------------------- */
.header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 26px;
}

.brand {
    display: flex;
    align-items: center;
    gap: 14px;
}

.brand-logo {
    width: 40px;
    height: 40px;
    border-radius: 14px;
    background: conic-gradient(from 210deg, var(--accent1), var(--accent2), var(--accent3), var(--accent1));
    box-shadow: 0 0 18px rgba(0, 234, 255, 0.7);
    position: relative;
    overflow: hidden;
}

.brand-logo::after {
    content: "";
    position: absolute;
    inset: 5px;
    border-radius: 12px;
    background: radial-gradient(circle at 30% 20%, rgba(255,255,255,0.4), transparent 55%);
    mix-blend-mode: screen;
}

.brand-title {
    font-size: 18px;
    font-weight: 700;
    letter-spacing: 0.06em;
    text-transform: uppercase;
}

.brand-subtitle {
    font-size: 11px;
    opacity: 0.7;
    text-transform: uppercase;
    letter-spacing: 0.16em;
}

/* THEME TOGGLE */
.theme-toggle {
    display: flex;
    align-items: center;
    gap: 8px;
}

.theme-icon {
    font-size: 18px;
    opacity: 0.8;
}

.switch {
    position: relative;
    width: 52px;
    height: 26px;
}

.switch input {
    display: none;
}

.slider {
    position: absolute;
    inset: 0;
    background: rgba(120, 125, 160, 0.7);
    border-radius: 26px;
    cursor: pointer;
    transition: background var(--transition-fast);
}

.slider::before {
    content: "";
    position: absolute;
    width: 20px;
    height: 20px;
    left: 3px;
    bottom: 3px;
    background: #ffffff;
    border-radius: 50%;
    transition: transform var(--transition-fast);
}

input:checked + .slider {
    background: linear-gradient(90deg, var(--accent1), var(--accent2));
}

input:checked + .slider::before {
    transform: translateX(26px);
}

/* ---------------------------------------------------------
   MAIN LAYOUT
--------------------------------------------------------- */
.main-layout {
    display: flex;
    gap: 24px;
}

/* LEFT SIDE — GAUGE */
.gauge-section {
    flex: 0 0 40%;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 18px;
}

/* GAUGE */
.gauge-wrapper {
    position: relative;
    width: 100%;
    max-width: 360px;
    aspect-ratio: 1;
}

.gauge-svg {
    width: 100%;
    height: 100%;
    transform: rotate(-90deg);
}

.gauge-bg {
    fill: none;
    stroke: rgba(255, 255, 255, 0.08);
    stroke-width: 18;
}

body[data-theme="light"] .gauge-bg {
    stroke: rgba(15, 23, 42, 0.08);
}

.gauge-arc {
    fill: none;
    stroke: url(#gaugeGradient);
    stroke-width: 18;
    stroke-linecap: round;
    stroke-dasharray: 503;
    stroke-dashoffset: 503;
    filter: drop-shadow(0 0 12px rgba(0, 234, 255, 0.7));
    transition: stroke-dashoffset 0.4s ease-out;
}

/* GAUGE CENTER TEXT */
.gauge-center {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

.speed-value {
    font-size: 48px;
    font-weight: 700;
}

.speed-unit {
    font-size: 14px;
    opacity: 0.7;
    text-transform: uppercase;
    letter-spacing: 0.16em;
}

.speed-label {
    margin-top: 6px;
    font-size: 12px;
    opacity: 0.7;
    text-transform: uppercase;
}

/* SCALE */
.gauge-scale {
    position: absolute;
    inset: 10%;
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    padding: 0 16px 10px;
    font-size: 10px;
    opacity: 0.7;
    pointer-events: none;
}

/* START BUTTON */
.start-btn {
    padding: 14px 40px;
    border-radius: 999px;
    border: none;
    font-size: 16px;
    font-weight: 700;
    text-transform: uppercase;
    background: linear-gradient(120deg, var(--accent1), var(--accent2));
    color: #fff;
    cursor: pointer;
    box-shadow: 0 12px 30px rgba(0, 234, 255, 0.45);
    transition: transform var(--transition-fast);
}

.start-btn:hover {
    transform: translateY(-2px) scale(1.02);
}

.start-btn.disabled {
    opacity: 0.5;
    cursor: default;
}

/* STATUS TEXT */
.status-text {
    font-size: 12px;
    opacity: 0.8;
    min-height: 16px;
}

.error-text {
    font-size: 11px;
    color: var(--danger);
    min-height: 14px;
}

/* ---------------------------------------------------------
   RIGHT SIDE — RESULTS PANEL (SCROLLABLE)
--------------------------------------------------------- */
.results-section {
    flex: 0 0 60%;
    height: 600px;
    overflow-y: auto;
    padding-right: 6px;
}

.results-panel {
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 18px;
    padding: 18px;
    backdrop-filter: blur(14px);
}

body[data-theme="light"] .results-panel {
    background: rgba(255, 255, 255, 0.6);
    border-color: rgba(15, 23, 42, 0.1);
}

/* RESULTS HEADER */
.results-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
}

.results-title {
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 0.16em;
    opacity: 0.8;
}

.badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 3px 8px;
    border-radius: 999px;
    font-size: 10px;
    text-transform: uppercase;
    letter-spacing: 0.16em;
    background: rgba(0, 234, 255, 0.12);
    border: 1px solid rgba(0, 234, 255, 0.4);
    color: var(--accent1);
}

.badge-dot {
    width: 6px;
    height: 6px;
    border-radius: 999px;
    background: #22c55e;
    box-shadow: 0 0 6px rgba(34, 197, 94, 0.9);
}

.isp-pill {
    padding: 4px 10px;
    border-radius: 999px;
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    background: rgba(0, 234, 255, 0.12);
    border: 1px solid rgba(0, 234, 255, 0.4);
    color: var(--accent1);
}

/* QUICK STATS */
.quick-stats {
    display: flex;
    gap: 14px;
    margin-bottom: 18px;
}

.stat {
    flex: 1;
}

.stat-label {
    font-size: 11px;
    opacity: 0.7;
    text-transform: uppercase;
    letter-spacing: 0.16em;
}

.stat-value {
    font-size: 16px;
    font-weight: 600;
}

.stat-sub {
    font-size: 11px;
    opacity: 0.6;
}

/* RESULTS GRID */
.results-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 14px;
    margin-bottom: 18px;
}

.result-label {
    font-size: 11px;
    opacity: 0.7;
    text-transform: uppercase;
    letter-spacing: 0.16em;
}

.result-value {
    font-size: 16px;
    font-weight: 600;
}

/* PROS & CONS */
.pros-cons {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 18px;
    margin-bottom: 18px;
}

.pros-title,
.cons-title {
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.16em;
    margin-bottom: 6px;
}

.pros-title {
    color: #22c55e;
}

.cons-title {
    color: var(--danger);
}

.pros-list,
.cons-list {
    list-style: none;
    font-size: 12px;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.pros-list li::before,
.cons-list li::before {
    content: "• ";
    opacity: 0.7;
}

/* SHARE BUTTONS */
.share-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 12px;
}

.share-buttons {
    display: flex;
    gap: 10px;
}

.share-btn {
    padding: 8px 16px;
    border-radius: 999px;
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.16em;
    cursor: pointer;
    border: none;
    display: flex;
    align-items: center;
    gap: 6px;
}

.share-btn.primary {
    background: linear-gradient(120deg, var(--accent1), var(--accent2));
    color: #fff;
}

.share-btn.secondary {
    background: transparent;
    border: 1px solid rgba(255, 255, 255, 0.18);
    color: #e5e7f5;
}

.share-caption {
    font-size: 11px;
    opacity: 0.7;
}

.footer-note {
    font-size: 10px;
    opacity: 0.6;
    margin-top: 10px;
}