:root {
    --bg: #030712;
    --panel: rgba(12, 15, 29, 0.85);
    --border: rgba(255, 255, 255, 0.15);
    --text: #f4f7ff;
    --muted: rgba(244, 247, 255, 0.65);
    --field-bg: rgba(10, 13, 26, 0.9);
    --accent: #5b9dff;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    min-height: 100vh;
    color: var(--text);
    background: linear-gradient(180deg, #02040c 0%, #040c1a 60%, #01030a 100%);
    font-family: 'Inter', system-ui, sans-serif;
}

.container {
    max-width: 1120px;
}

.nav-glow {
    background: linear-gradient(180deg, rgba(3,6,18,0.95), rgba(2,10,26,0.95));
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.4);
}

.nav-glow .navbar-nav .nav-link {
    color: var(--text);
    font-weight: 500;
}

.nav-glow .navbar-nav .nav-link:hover,
.nav-glow .navbar-nav .nav-link.active {
    color: var(--accent);
}

.nav-actions {
    margin-left: auto;
}

.brand-icon {
    width: 36px;
    height: 36px;
    border-radius: 0.75rem;
    background: rgba(91, 157, 255, 0.25);
    display: grid;
    place-items: center;
}
.brand-icon img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 0.75rem;
}

.brand-tagline {
    font-size: 0.65rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--muted);
}

.hero-badges .badge {
    border-radius: 999px;
    padding: 0.35rem 0.9rem;
    font-size: 0.7rem;
    letter-spacing: 0.25em;
    text-transform: uppercase;
    border: 1px solid rgba(255, 255, 255, 0.4);
    background: rgba(255, 255, 255, 0.08);
}

.home-hero {
    padding: 1.75rem;
    border-radius: 1rem;
    background: rgba(13, 16, 32, 0.85);
    border: 1px solid var(--border);
}

.hero-stats {
    display: flex;
    gap: 1rem;
}

.hero-stat {
    text-align: center;
    min-width: 90px;
}

.hero-stat .badge {
    width: 48px;
    height: 48px;
    border-radius: 0.9rem;
    display: grid;
    place-items: center;
    font-size: 1.1rem;
}

.hero-note {
    margin-top: 0.8rem;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
    gap: 1rem;
}

.feature-card {
    padding: 1.3rem;
    border-radius: 1rem;
    background: rgba(13, 16, 32, 0.85);
    border: 1px solid var(--border);
}

.feature-icon {
    font-size: 1.4rem;
    margin-bottom: 0.5rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: 0.75rem;
    background: rgba(91, 157, 255, 0.2);
}

.utility-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1rem;
}

.utility-card {
    padding: 1rem 1.2rem;
    border-radius: 0.9rem;
    background: rgba(13, 16, 32, 0.85);
    border: 1px solid rgba(255, 255, 255, 0.08);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    gap: 0.5rem;
}

.link-underline {
    color: var(--accent);
    font-size: 0.85rem;
    text-decoration: underline;
    font-weight: 600;
}

.converter-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1rem;
}

.converter-card {
    display: block;
    padding: 1.2rem;
    border-radius: 1rem;
    background: rgba(8, 11, 22, 0.9);
    border: 1px solid var(--border);
    color: inherit;
    text-decoration: none;
}

.converter-card:hover {
    border-color: rgba(91, 157, 255, 0.6);
}

.converter-icon {
    width: 40px;
    height: 40px;
    border-radius: 0.75rem;
    background: rgba(91, 157, 255, 0.2);
    display: grid;
    place-items: center;
    font-size: 1.2rem;
}

.app-shell {
    display: flex;
    flex-wrap: wrap;
}

.app-hero {
    margin: 0;
    padding: 0;
}

.form-panel {
    background: var(--panel);
    border-radius: 1rem;
    border: 1px solid var(--border);
    padding: 1.25rem;
}

.methods-panel {
    padding: 0.5rem;
    border-radius: 0.75rem;
    border: 1px solid rgba(255, 255, 255, 0.12);
}

.methods-label {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    color: var(--muted);
}

.methods-row {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
    margin-top: 0.5rem;
}

.method-pill {
    border-radius: 999px;
    padding: 0.3rem 0.8rem;
    border: 1px solid rgba(255, 255, 255, 0.3);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    display: inline-flex;
    gap: 0.4rem;
    align-items: center;
    cursor: pointer;
}

.method-pill.active {
    border-color: var(--accent);
    background: rgba(91, 157, 255, 0.16);
}

.method-pill input {
    position: absolute;
    opacity: 0;
}

.inputArea,
.verifyArea,
.submitArea {
    margin-top: 1rem;
}

.tool-extras {
    margin-top: 1rem;
    padding-top: 0.75rem;
    border-top: 1px solid rgba(255, 255, 255, 0.15);
    display: none;
}

.gpg-key-area {
    border-radius: 0.9rem;
    border: 1px solid rgba(255, 255, 255, 0.15);
    background: rgba(11, 14, 26, 0.85);
    padding: 1rem;
}

.key-area .form-label {
    text-transform: uppercase;
    font-size: 0.7rem;
    letter-spacing: 0.2em;
}

.fileArea .form-control {
    background: var(--field-bg);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 0.6rem;
    color: var(--text);
    padding: 0.4rem;
}

.random-mode .submitArea,
.random-mode #clearForm {
    display: none !important;
}

.form-control,
.form-select,
.form-control-sm {
    background: var(--field-bg);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 0.6rem;
    color: var(--text);
}

.form-control:focus,
.form-select:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 0.15rem rgba(91, 157, 255, 0.25);
}

.app-sidebar {
    background: rgba(11, 14, 26, 0.9);
    border-radius: 1rem;
    border: 1px solid var(--border);
    padding: 1rem;
}

.app-sidebar ul {
    padding-left: 1rem;
}

.random-panel {
    margin-top: 1.5rem;
}

.randomArea {
    border-radius: 1rem;
    background: var(--panel);
    border: 1px solid var(--border);
}

.random-controls .form-label {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--muted);
}

.result-card {
    margin-bottom: 0;
}

.card.encode {
    background: rgba(3, 7, 17, 0.9);
    border: 1px solid var(--border);
    border-radius: 1rem;
}

.card-header {
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.copybtn {
    border-radius: 0.5rem;
    background: rgba(11, 14, 26, 0.6);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.encode-result {
    min-height: 60px;
    padding: 1rem;
    background: rgba(10, 13, 26, 0.7);
    border-radius: 0 0 0.65rem 0.65rem;
    font-family: 'JetBrains Mono', monospace;
    white-space: pre-wrap;
}

.copy-tooltip {
    position: absolute;
    top: -1.8rem;
    right: 0;
    background-color: rgba(0, 0, 0, 0.85);
    color: #fff;
    padding: 0.25rem 0.5rem;
    font-size: 0.7rem;
    border-radius: 0.45rem;
    opacity: 0;
    transition: opacity 0.2s;
    pointer-events: none;
}

.copy-tooltip.visible {
    opacity: 1;
}

.dropdown-menu.dropdown-dark {
    background: rgba(5, 7, 16, 0.95);
    border: 1px solid rgba(255, 255, 255, 0.12);
    min-width: 320px;
}

.dropdown-item {
    border-radius: 0.9rem;
    padding: 0.65rem 0.75rem;
}

.dropdown-icon {
    width: 36px;
    height: 36px;
    border-radius: 0.75rem;
    background: rgba(91, 157, 255, 0.18);
    display: grid;
    place-items: center;
    font-size: 1rem;
}

.dropdown-item .fw-semibold {
    font-size: 0.95rem;
}

.dropdown-item small {
    font-size: 0.7rem;
    color: var(--muted);
}

.shadowed {
    box-shadow: 0 20px 45px rgba(0, 0, 0, 0.45);
}