:root {
    --bg-dark: #020617;
    --bg-card: #0f172a;
    --bg-card-hover: #1e293b;
    --primary: #6366f1;
    --primary-hover: #4f46e5;
    --accent: #10b981;
    --accent-red: #ef4444;
    --accent-amber: #f59e0b;
    --text-main: #f8fafc;
    --text-muted: #94a3b8;
    --glass: rgba(15, 23, 42, 0.8);
    --glass-border: rgba(255, 255, 255, 0.1);
}

* {
    box-sizing: border-box;
    -webkit-tap-highlight-color: transparent;
}

body {
    background-color: var(--bg-dark);
    color: var(--text-main);
    font-family: 'Plus Jakarta Sans', sans-serif;
    margin: 0;
    padding-bottom: 6.5rem;
    min-height: 100vh;
}

.page-shell {
    background-color: var(--bg-dark);
    background-image:
        radial-gradient(ellipse 120% 80% at 50% -20%, rgba(99, 102, 241, 0.18), transparent 55%),
        radial-gradient(ellipse 60% 50% at 100% 50%, rgba(15, 23, 42, 0.9), transparent),
        radial-gradient(ellipse 50% 40% at 0% 80%, rgba(30, 41, 59, 0.5), transparent);
    background-attachment: fixed;
}

.app-topbar {
    position: sticky;
    top: 0;
    z-index: 800;
    padding: 0.75rem 1rem 1rem;
    background: linear-gradient(180deg, rgba(2, 6, 23, 0.92) 0%, rgba(2, 6, 23, 0.75) 85%, transparent 100%);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(51, 65, 85, 0.35);
}

.app-topbar__inner {
    max-width: 42rem;
    margin: 0 auto;
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 1rem;
}

.fab-tools {
    position: fixed;
    right: 1.25rem;
    bottom: calc(1.25rem + env(safe-area-inset-bottom, 0px));
    z-index: 850;
    width: 3.75rem;
    height: 3.75rem;
    border-radius: 1.35rem;
    border: 1px solid rgba(99, 102, 241, 0.35);
    background: linear-gradient(145deg, rgba(79, 70, 229, 0.95), rgba(99, 102, 241, 0.85));
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.45), 0 0 0 1px rgba(255, 255, 255, 0.06) inset;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.fab-tools:hover {
    transform: scale(1.05);
    box-shadow: 0 16px 48px rgba(79, 70, 229, 0.35), 0 0 0 1px rgba(255, 255, 255, 0.08) inset;
}

.fab-tools:active {
    transform: scale(0.96);
}

.tools-sheet-btn {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    width: 100%;
    padding: 0.9rem 1rem;
    border-radius: 1rem;
    background: rgba(15, 23, 42, 0.65);
    border: 1px solid rgba(51, 65, 85, 0.6);
    color: var(--text-main);
    font-size: 0.75rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    cursor: pointer;
    transition: background 0.2s, border-color 0.2s, color 0.2s;
    text-align: left;
}

.tools-sheet-btn:hover {
    background: rgba(30, 41, 59, 0.9);
    border-color: rgba(99, 102, 241, 0.45);
    color: #fff;
}

@keyframes slideUpTools {
    from {
        opacity: 0;
        transform: translateY(110%);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.animate-slide-up-tools {
    animation: slideUpTools 0.35s cubic-bezier(0.22, 1, 0.36, 1) forwards;
}

.safe-pb {
    padding-bottom: max(2rem, env(safe-area-inset-bottom, 0px));
}

.toast-host {
    position: fixed;
    left: 50%;
    transform: translateX(-50%);
    bottom: calc(5.5rem + env(safe-area-inset-bottom, 0px));
    z-index: 2000;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    pointer-events: none;
    max-width: min(22rem, calc(100vw - 2rem));
}

.site-footer {
    max-width: 42rem;
    margin: 0 auto;
    padding: 1.75rem 1rem calc(5.5rem + env(safe-area-inset-bottom, 0px));
    border-top: 1px solid rgba(51, 65, 85, 0.45);
    background: linear-gradient(180deg, transparent 0%, rgba(15, 23, 42, 0.35) 100%);
}

.site-footer__inner {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.65rem;
    text-align: center;
}

.site-footer__brand {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    flex-wrap: wrap;
    justify-content: center;
}

.site-footer__label {
    font-size: 0.6rem;
    font-weight: 800;
    letter-spacing: 0.22em;
    text-transform: uppercase;
    color: #64748b;
}

.site-footer__dot {
    width: 3px;
    height: 3px;
    border-radius: 999px;
    background: rgba(99, 102, 241, 0.55);
}

.site-footer__cr {
    font-size: 0.6rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    color: #94a3b8;
}

.site-footer__credit {
    margin: 0;
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.02em;
}

.site-footer__meta {
    margin: 0;
    font-size: 0.6rem;
    font-weight: 600;
    letter-spacing: 0.14em;
    text-transform: uppercase;
}

.site-footer__link {
    color: var(--primary);
    text-decoration: none;
    transition: color 0.15s ease, opacity 0.15s ease;
}

.site-footer__link:hover {
    color: #a5b4fc;
}

.site-footer__link--muted {
    color: #64748b;
    font-weight: 700;
}

.site-footer__link--muted:hover {
    color: var(--primary);
}

.toast-item {
    pointer-events: auto;
    background: rgba(15, 23, 42, 0.95);
    border: 1px solid rgba(99, 102, 241, 0.35);
    color: #e2e8f0;
    font-size: 0.7rem;
    font-weight: 700;
    padding: 0.65rem 1rem;
    border-radius: 9999px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
    animation: fadeIn 0.3s ease-out forwards;
}

::-webkit-scrollbar {
    width: 6px;
}
::-webkit-scrollbar-thumb {
    background: var(--bg-card-hover);
    border-radius: 10px;
}

#speedChart {
    width: 100% !important;
    height: 100% !important;
}

/* Border Glow Animation */
@keyframes borderGlow {
    0% { border-color: rgba(99, 102, 241, 0.4); box-shadow: 0 0 0 rgba(99, 102, 241, 0); }
    50% { border-color: rgba(99, 102, 241, 0.8); box-shadow: 0 0 20px rgba(99, 102, 241, 0.3); }
    100% { border-color: rgba(99, 102, 241, 0.4); box-shadow: 0 0 0 rgba(99, 102, 241, 0); }
}

.animate-border-glow {
    animation: borderGlow 1.5s infinite ease-in-out;
}

/* Scrollbar Hide but keep functional */
.no-scrollbar::-webkit-scrollbar {
    display: none;
}
.no-scrollbar {
    -ms-overflow-style: none;
    scrollbar-width: none;
}

/* Glassmorphism */
.glass {
    background: var(--glass);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
}

/* Animations */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes slideUp {
    from { transform: translateY(100%); }
    to { transform: translateY(0); }
}

@keyframes clickZoom {
    0% { transform: scale(1); }
    50% { transform: scale(0.95); }
    100% { transform: scale(1); }
}

@keyframes scaleIn {
    from { opacity: 0; transform: scale(0.9); }
    to { opacity: 1; transform: scale(1); }
}

.animate-fade-in {
    animation: fadeIn 0.4s ease-out forwards;
}

.animate-scale-in {
    animation: scaleIn 0.3s cubic-bezier(0.34, 1.56, 0.64, 1) forwards;
}

.btn-click-feedback {
    animation: clickZoom 0.2s ease-out;
}

/* Layout */
.app-container {
    max-width: 42rem; /* 2xl */
    margin: 0 auto;
    padding: 2rem 1rem;
}

/* Legacy bottom nav removed — gunakan FAB + sheet di index */

/* Site Cards */
.site-card {
    background: var(--bg-card);
    border: 1px solid var(--glass-border);
    border-radius: 1.5rem;
    padding: 1.25rem;
    margin-bottom: 1rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.site-card:hover {
    background: var(--bg-card-hover);
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.3);
}

.site-card.finished {
    opacity: 0.7;
    border-color: transparent;
}

/* Custom Progress Circle */
.progress-ring {
    transition: stroke-dashoffset 0.35s;
    transform: rotate(-90deg);
    transform-origin: 50% 50%;
}

/* Speedtest Modal specific */
.speed-meter {
    position: relative;
    width: 200px;
    height: 200px;
    margin: 0 auto;
}

#speedValue {
    font-size: 3.5rem;
    font-weight: 900;
    line-height: normal;
}

/* Utility */
input[type=number]::-webkit-inner-spin-button,
input[type=number]::-webkit-outer-spin-button {
    -webkit-appearance: none;
    margin: 0;
}

.toggle-checkbox:checked {
    right: 0;
    border-color: var(--primary);
}

.toggle-checkbox:checked + .toggle-label {
    background-color: var(--primary);
}