:root {
    --blue: #00aaff;
    --blue-main: #0af;
    --blue-dark: #02101f;
    --red-main: #ff1744;
    --bg-overlay: rgba(0, 0, 0, 0.75);
    --card-bg: rgba(5, 20, 40, 0.9);
    --text-main: #e3f2fd;
    --accent: #ffea00;
    --shadow-neon: 0 0 12px rgba(0, 170, 255, 0.9), 0 0 24px rgba(255, 23, 68, 0.7);
}

* {
    box-sizing: border-box;
}

html, body {
    margin: 0;
    padding: 0;
    height: 100%;
    font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    color: var(--text-main);
    background: var(--blue-dark) url("https://blue-idea.net/text.jpg") center/cover fixed no-repeat;
}

body::before {
    content: "";
    position: fixed;
    inset: 0;
    background:
        radial-gradient(circle at top, rgba(0, 170, 255, 0.35), transparent 55%),
        radial-gradient(circle at bottom, rgba(255, 23, 68, 0.35), transparent 55%),
        var(--bg-overlay);
    pointer-events: none;
    z-index: -1;
}

/* Blue scrollbars */
::-webkit-scrollbar {
    width: 10px;
    height: 10px;
}
::-webkit-scrollbar-track {
    background: #020b16;
}
::-webkit-scrollbar-thumb {
    background: linear-gradient(180deg, #0af, #ff1744);
    border-radius: 6px;
    box-shadow: 0 0 8px rgba(0, 170, 255, 0.8);
}
::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(180deg, #ff1744, #0af);
}

a {
    color: var(--accent);
    text-decoration: none;
}
a:hover {
    text-shadow: 0 0 8px var(--accent);
}

.page-wrap {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Top bar */
.top-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 18px;
    background: linear-gradient(90deg, rgba(0, 10, 30, 0.95), rgba(20, 0, 30, 0.95));
    box-shadow: var(--shadow-neon);
    position: sticky;
    top: 0;
    z-index: 20;
}

.top-left {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo-img {
    height: 40px;
    width: auto;
    border-radius: 6px;
    box-shadow: 0 0 10px rgba(0, 170, 255, 0.9);
    cursor: pointer;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.logo-img:hover {
    transform: translateY(-1px) scale(1.03);
    box-shadow: 0 0 16px rgba(255, 23, 68, 0.9);
}

.site-title {
    font-size: 0.8rem;
    letter-spacing: 0.06em;
    text-transform: lowercase;
    color: var(--accent);
    text-shadow: var(--shadow-neon);
}

.top-links {
    display: flex;
    align-items: center;
    gap: 16px;
}

.top-link {
    padding: 6px 12px;
    border-radius: 999px;
    border: 1px solid rgba(0, 170, 255, 0.7);
    background: radial-gradient(circle at top, rgba(0, 170, 255, 0.25), rgba(255, 23, 68, 0.25));
    box-shadow: var(--shadow-neon);
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    cursor: pointer;
    transition: transform 0.15s ease, box-shadow 0.15s ease, border-color 0.15s ease;
}

.top-link:hover {
    transform: translateY(-1px);
    border-color: var(--accent);
    box-shadow: 0 0 16px rgba(255, 234, 0, 0.9);
}

/* Hybrid nav */
.nav-wrap {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 18px 0;
}

.hamburger {
    width: 40px;
    height: 40px;
    border-radius: 999px;
    border: 1px solid rgba(0, 170, 255, 0.8);
    background: radial-gradient(circle at 30% 0%, rgba(0, 170, 255, 0.4), rgba(255, 23, 68, 0.4));
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    box-shadow: var(--shadow-neon);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.hamburger:hover {
    transform: scale(1.05);
    box-shadow: 0 0 18px rgba(255, 23, 68, 0.9);
}

.hamburger-lines {
    width: 18px;
    height: 14px;
    position: relative;
}

.hamburger-lines span {
    position: absolute;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--accent);
    box-shadow: 0 0 6px rgba(255, 234, 0, 0.9);
    border-radius: 999px;
}
.hamburger-lines span:nth-child(1) { top: 0; }
.hamburger-lines span:nth-child(2) { top: 6px; }
.hamburger-lines span:nth-child(3) { top: 12px; }

.category-strip {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    flex: 1;
}

.category-pill {
    padding: 6px 12px;
    border-radius: 999px;
    border: 1px solid rgba(0, 170, 255, 0.7);
    background: linear-gradient(90deg, rgba(0, 170, 255, 0.25), rgba(255, 23, 68, 0.25));
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    cursor: pointer;
    white-space: nowrap;
    transition: background 0.15s ease, box-shadow 0.15s ease, transform 0.15s ease;
}

.category-pill:hover {
    background: linear-gradient(90deg, rgba(255, 23, 68, 0.4), rgba(0, 170, 255, 0.4));
    box-shadow: var(--shadow-neon);
    transform: translateY(-1px);
}

.category-pill.active {
    border-color: var(--accent);
    color: var(--accent);
    box-shadow: 0 0 16px rgba(255, 234, 0, 0.9);
}

/* Side menu */
.side-menu {
    position: fixed;
    top: 60px;
    left: 0;
    bottom: 0;
    width: 260px;
    background: rgba(2, 10, 24, 0.96);
    box-shadow: 0 0 24px rgba(0, 170, 255, 0.9);
    transform: translateX(-100%);
    transition: transform 0.25s ease;
    z-index: 30;
    padding: 16px 12px;
    overflow-y: auto;
}

.side-menu.open {
    transform: translateX(0);
}

.side-menu-title {
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    margin-bottom: 10px;
    color: var(--accent);
}

.side-menu-group {
    margin-bottom: 14px;
}

.side-menu-group h4 {
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin: 6px 0;
    color: var(--blue-main);
}

.side-menu-link {
    display: block;
    font-size: 0.8rem;
    padding: 4px 6px;
    border-radius: 6px;
    cursor: pointer;
    color: var(--text-main);
    transition: background 0.15s ease, color 0.15s ease;
}

.side-menu-link:hover {
    background: rgba(0, 170, 255, 0.25);
    color: var(--accent);
}

/* Main content */
.content {
    flex: 1;
    padding: 12px 18px 24px;
}

.converter-layout {
    display: grid;
    grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr);
    gap: 16px;
    margin-top: 10px;
}

@media (max-width: 960px) {
    .converter-layout {
        grid-template-columns: minmax(0, 1fr);
    }
}

.panel {
    background: var(--card-bg);
    border-radius: 14px;
    border: 1px solid rgba(0, 170, 255, 0.6);
    box-shadow: var(--shadow-neon);
    padding: 12px;
    position: relative;
    overflow: hidden;
}

.panel::before {
    content: "";
    position: absolute;
    inset: -40%;
    background:
        radial-gradient(circle at 0 0, rgba(0, 170, 255, 0.18), transparent 55%),
        radial-gradient(circle at 100% 100%, rgba(255, 23, 68, 0.18), transparent 55%);
    opacity: 0.7;
    pointer-events: none;
}

.panel-header {
    position: relative;
    z-index: 1;
    margin-bottom: 8px;
}

.panel-title {
    font-size: 0.95rem;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--accent);
}

.panel-sub {
    font-size: 0.8rem;
    color: #b3e5fc;
}

.panel-body {
    position: relative;
    z-index: 1;
}

textarea {
    width: 100%;
    min-height: 180px;
    resize: vertical;
    border-radius: 10px;
    border: 1px solid rgba(0, 170, 255, 0.7);
    background: rgba(1, 8, 18, 0.9);
    color: var(--text-main);
    padding: 8px;
    font-size: 0.9rem;
    outline: none;
    box-shadow: 0 0 12px rgba(0, 170, 255, 0.6);
    transition: box-shadow 0.15s ease, border-color 0.15s ease;
}

textarea:focus {
    border-color: var(--accent);
    box-shadow: 0 0 18px rgba(255, 234, 0, 0.9);
}

.controls-row {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 8px;
}

select, button {
    border-radius: 999px;
    border: 1px solid rgba(0, 170, 255, 0.7);
    background: radial-gradient(circle at 0 0, rgba(0, 170, 255, 0.3), rgba(255, 23, 68, 0.3));
    color: var(--blue);
    padding: 6px 12px;
    font-size: 0.85rem;
    cursor: pointer;
    outline: none;
    box-shadow: var(--shadow-neon);
    transition: transform 0.15s ease, box-shadow 0.15s ease, border-color 0.15s ease;
}

select:hover, button:hover {
    transform: translateY(-1px);
    border-color: var(--accent);
    box-shadow: 0 0 16px rgba(255, 234, 0, 0.9);
}

button.primary {
    color: #000;
    background: linear-gradient(90deg, #ffea00, #ff1744);
}

/* Watermark & footer */
.watermark {
    position: fixed;
    right: 10px;
    bottom: 8px;
    font-size: 0.75rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: rgba(0, 170, 255, 0.7);
    text-shadow: 0 0 10px rgba(0, 170, 255, 0.9);
    pointer-events: none;
    z-index: 40;
}

footer {
    padding: 10px 18px 16px;
    font-size: 0.75rem;
    color: #b3e5fc;
    text-align: center;
}

footer span {
    color: var(--accent);
}
/* CATEGORY BUTTONS — NEON BLUE STYLE */
.category-btn {
    background: #3399ff; /* deep blue base */
    color: darkblue; /* neon blue text */
    border: 2px solid #00c8ff; /* neon border */
    border-radius: 10px;
    padding: 10px 18px;
    font-weight: 600;
    cursor: pointer;
    transition: 0.25s ease;
}

/* Hover effect */
.category-btn:hover {
    background: #0055aa;
    box-shadow: 0 0 12px #00c8ff;
    color: #ffffff;
}
.converter-benefits-wrapper {
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);

    background: rgba(0, 10, 25, 0.70); /* darker glass */
    padding: 25px;
    border-radius: 14px;

    border: 2px solid #3399ff;
    box-shadow: 0 0 25px rgba(51,153,255,0.25);

    margin: 30px auto;
    max-width: 1100px;
}


    .converter-benefits-table {
        width: 100%;
        border-collapse: collapse;
        color: #3399ff;
        font-size: 15px;
        line-height: 1.55;
    }

    .converter-benefits-table th,
    .converter-benefits-table td {
        padding: 14px 18px;
        border-bottom: 1px solid rgba(51,153,255,0.35);
        vertical-align: top;
    }

    .converter-benefits-table th {
        font-size: 18px;
        font-weight: 700;
        color: #3399ff;
        text-shadow: 0 0 6px rgba(51,153,255,0.6);
    }

    .converter-benefits-table tr:hover td {
        background: rgba(0, 60, 120, 0.25);
        transition: 0.25s ease;
    }
/* MOBILE FIX FOR TOP BAR */
@media (max-width: 900px) {
    .top-bar {
        flex-wrap: wrap;              /* allow wrapping instead of overflow */
        justify-content: center;      /* center items when wrapped */
        padding: 8px 10px;            /* reduce padding on small screens */
        gap: 10px;                    /* spacing between wrapped items */
        overflow: hidden;             /* prevent horizontal scroll */
    }

    .top-bar img {
        max-width: 140px;             /* scale banner image */
        height: auto;
    }

    .brand-text {
        text-align: center;
        width: 100%;                  /* force text to wrap under image */
    }

    .brand-home {
        width: 100%;
        text-align: center;
    }
}
@media (max-width: 900px) {
    .top-bar {
        overflow-x: auto;
        white-space: nowrap;
        scrollbar-width: none;
    }
    .top-bar::-webkit-scrollbar {
        display: none;
    }
}
.hamburger.open .hamburger-lines span:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
}
.hamburger.open .hamburger-lines span:nth-child(2) {
    opacity: 0;
}
.hamburger.open .hamburger-lines span:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
}

.side-menu {
    opacity: 0;
    transform: translateX(-20px);
    transition: 0.25s ease;
}
.side-menu.open {
    opacity: 1;
    transform: translateX(0);
}
/* ============================
   NEON HAMBURGER BUTTON
============================ */

.hamburger {
    width: 42px;
    height: 42px;
    cursor: pointer;
    position: relative;
    z-index: 9999; /* ensures it's clickable */
    display: flex;
    align-items: center;
    justify-content: center;
}

.hamburger-lines {
    width: 28px;
    height: 20px;
    position: relative;
}

.hamburger-lines span {
    display: block;
    height: 3px;
    background: var(--blue-main);
    margin: 4px 0;
    border-radius: 3px;
    transition: 0.35s ease;
    box-shadow: var(--shadow-neon);
}

/* OPEN STATE */
.hamburger.open .hamburger-lines span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

.hamburger.open .hamburger-lines span:nth-child(2) {
    opacity: 0;
}

.hamburger.open .hamburger-lines span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

/* ============================
   NEON SIDE MENU
============================ */

.side-menu {
    position: fixed;
    top: 0;
    left: 0;
    width: 260px;
    height: 100vh;
    background: var(--blue-dark);
    color: var(--text-main);
    padding: 20px;
    transform: translateX(-260px);
    transition: 0.35s ease;
    z-index: 9998; /* BELOW hamburger */
    box-shadow: var(--shadow-neon);
    overflow-y: auto;
}

.side-menu.open {
    transform: translateX(0);
}

/* ============================
   CATEGORY STRIP (NEON)
============================ */

.category-strip {
    display: flex;
    gap: 10px;
    padding: 10px 0;
}

.category-btn {
    background: var(--blue-dark);
    color: var(--text-main);
    border: 1px solid var(--blue-main);
    padding: 6px 12px;
    border-radius: 6px;
    cursor: pointer;
    transition: 0.25s ease;
    box-shadow: var(--shadow-neon);
}

.category-btn:hover,
.category-btn.active {
    background: var(--blue);
    color: #fff;
    box-shadow: 0 0 12px var(--blue-main), 0 0 24px var(--accent);
}
.search-bar {
    width: 100%;
    padding: 10px 14px;
    margin-bottom: 12px;
    border-radius: 6px;
    border: 1px solid var(--blue-main);
    background: var(--blue-dark);
    color: var(--text-main);
    font-size: 15px;
    box-shadow: var(--shadow-neon);
    transition: 0.25s ease;
}

.search-bar:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 12px var(--accent), 0 0 24px var(--blue-main);
}
textarea#inputText,
textarea#outputText {
    background: var(----blue) !important;
    color: var(--text-main) !important;
    border: 1px solid var(--blue-main) !important;
    box-shadow: var(--shadow-neon) !important;
}
input#searchInput.search-bar {
    background: var(--blue) !important;
    color: var(--text-main) !important;
    border: 1px solid var(--blue-main) !important;
    box-shadow: var(--shadow-neon) !important;
}
.category-strip .category-btn {
    background: var(--blue-dark) !important;
    color: var(--text-main) !important;
    border: 1px solid var(--blue-main) !important;
    box-shadow: var(--shadow-neon) !important;
}
/* FORCE DARK BLUE CATEGORY BUTTONS */
.category-strip .category-btn {
    background: var(--blue) !important;
    color: var(--blue-dark) !important;
    border: 1px solid var(--blue-main) !important;
    box-shadow: var(--shadow-neon) !important;
}

/* ACTIVE + HOVER */
.category-strip .category-btn:hover,
.category-strip .category-btn.active {
    background: var(--blue) !important;
    color: #fff !important;
    box-shadow: 0 0 12px var(--blue-main), 0 0 24px var(--accent) !important;
}
/* FORCE DARK BLUE SEARCH BAR */
#searchInput.search-bar {
    background: var(--blue-dark) !important;
    color: var(--text-main) !important;
    border: 1px solid var(--blue-main) !important;
    box-shadow: var(--shadow-neon) !important;
}

/* WHEN TYPING */
/* WHEN TYPING — FULL TRANSPARENT BG */
#searchInput.search-bar:focus {
    background: transparent !important;
    color: var(--blue) !important;
    border-color: var(--accent) !important;
    box-shadow: 0 0 12px var(--accent), 0 0 24px var(--blue-main) !important;
}

/* REMOVE BROWSER DEFAULT WHITE BACKGROUND */
#searchInput.search-bar::-webkit-input-placeholder {
    color: var(--text-main) !important;
}

#searchInput.search-bar:-ms-input-placeholder {
    color: var(--text-main) !important;
}

#searchInput.search-bar::placeholder {
    color: var(--text-main) !important;
}
/* MOBILE FIX: FORCE HAMBURGER X STATE */
@media (max-width: 768px) {
    .hamburger.open .hamburger-lines span:nth-child(1) {
        transform: translateY(7px) rotate(45deg) !important;
    }
    .hamburger.open .hamburger-lines span:nth-child(2) {
        opacity: 0 !important;
    }
    .hamburger.open .hamburger-lines span:nth-child(3) {
        transform: translateY(-7px) rotate(-45deg) !important;
    }
}
/* ============================================
   MOBILE FIX BLOCK — OVERRIDES ALL CONFLICTS
============================================ */
@media (max-width: 768px) {

    /* FORCE SEARCH BAR DARK BLUE / TRANSPARENT */
    #searchInput.search-bar {
        background: transparent !important;
        color: var(--blue) !important;
        border: 1px solid var(--blue-main) !important;
        box-shadow: var(--shadow-neon) !important;
        -webkit-appearance: none !important;
        appearance: none !important;
    }

    #searchInput.search-bar:focus {
        background: transparent !important;
        color: var(--blue) !important;
        border-color: var(--accent) !important;
        box-shadow: 0 0 12px var(--accent), 0 0 24px var(--blue-main) !important;
    }

    /* FORCE CATEGORY BUTTONS DARK BLUE */
    .category-strip .category-btn {
        background: var(--blue-dark) !important;
        color: var(--text-main) !important;
        border: 1px solid var(--blue-main) !important;
        box-shadow: var(--shadow-neon) !important;
    }

    .category-strip .category-btn:hover,
    .category-strip .category-btn.active {
        background: var(--blue-main) !important;
        color: #fff !important;
        box-shadow: 0 0 12px var(--blue-main), 0 0 24px var(--accent) !important;
    }
/* FINAL FIX — FORCE HAMBURGER X ON MOBILE & DESKTOP */
.hamburger.open .hamburger-lines span:nth-child(1) {
    transform: translateY(7px) rotate(45deg) !important;
}
.hamburger.open .hamburger-lines span:nth-child(2) {
    opacity: 0 !important;
}
.hamburger.open .hamburger-lines span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg) !important;
}
/* FINAL FIX — FORCE BLUE SEARCH BAR ON MOBILE */
@media (max-width: 768px) {
    #searchInput.search-bar {
        background: var(--blue) !important;
        color: var(--text-main) !important;
        border: 1px solid var(--blue-main) !important;
        box-shadow: var(--shadow-neon) !important;
        -webkit-appearance: none !important;
        appearance: none !important;
    }

    #searchInput.search-bar:focus {
        background: var(--blue) !important;
        color: var(--text-main) !important;
        border-color: var(--accent) !important;
        box-shadow: 0 0 12px var(--accent), 0 0 24px var(--blue-main) !important;
    }
}