/* ======================== */
/* Variables                */
/* ======================== */
:root {
    --bg:        #0b0d13;
    --surface:   #13151d;
    --border:    #1e2030;
    --border-hi: #2a2d42;
    --accent:    #22d3ee;
    --accent-dim:#1aa3b8;
    --accent2:   #f59e0b;
    --green:     #4ade80;
    --red:       #f87171;
    --text:      #f0f0f5;
    --text-dim:  #8b8fa3;
    --text-mute: #555770;
    --radius:    14px;
    --radius-sm: 8px;
    --ease:      cubic-bezier(.4,0,.2,1);
}

/* ======================== */
/* Reset                    */
/* ======================== */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
    min-height: 100vh;
    overflow-x: hidden;
}

a {
    text-decoration: none;
    color: inherit;
}

/* ======================== */
/* Nav                      */
/* ======================== */
.nav {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(11, 13, 19, .85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
}

.nav-inner {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 1.5rem;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: .6rem;
    font-weight: 700;
    font-size: 1.05rem;
    color: var(--text);
    letter-spacing: -.01em;
}

.nav-logo-icon {
    width: 22px;
    height: 22px;
    color: var(--accent);
}

.nav-links {
    display: flex;
    gap: .25rem;
}

.nav-link {
    padding: .45rem .9rem;
    border-radius: var(--radius-sm);
    font-size: .85rem;
    font-weight: 500;
    color: var(--text-dim);
    transition: color .2s var(--ease), background .2s var(--ease);
}

.nav-link:hover {
    color: var(--text);
    background: rgba(255,255,255,.05);
}

.nav-link.active {
    color: var(--accent);
    background: rgba(34, 211, 238, .08);
}

/* ======================== */
/* Views                    */
/* ======================== */
.view {
    min-height: calc(100vh - 60px - 70px);
}

.hidden {
    display: none;
}

/* ======================== */
/* Footer (persistent)      */
/* ======================== */
.footer {
    border-top: 1px solid var(--border);
    padding: 1.5rem;
}

.footer-inner {
    max-width: 1100px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-text {
    font-size: .8rem;
    color: var(--text-mute);
    font-weight: 500;
}

.footer-version {
    font-size: .75rem;
    color: var(--text-mute);
}

/* ======================== */
/* Shared Animations        */
/* ======================== */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(12px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* ======================== */
/* Responsive (shared)      */
/* ======================== */
@media (max-width: 768px) {
    .footer-inner {
        flex-direction: column;
        gap: .5rem;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .nav-logo span {
        display: none;
    }
}