/* ── Cyber Theme Global Utilities ── */

html {
    font-size: 14px;
    scroll-behavior: smooth;
}

@media (min-width: 768px) {
    html { font-size: 16px; }
}

/* ── Scrollbar ── */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--red-dim); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--red); }

/* ── Selection ── */
::selection { background: var(--red); color: white; }

/* ── Ripple Effect ── */
.ripple {
    position: relative;
    overflow: hidden;
}
.ripple::after {
    content: '';
    position: absolute;
    border-radius: 50%;
    background: rgba(255,255,255,0.25);
    width: 100px; height: 100px;
    margin-left: -50px; margin-top: -50px;
    left: var(--mx, 0); top: var(--my, 0);
    transform: scale(0);
    opacity: 1;
    pointer-events: none;
}
.ripple:active::after {
    animation: rippleAnim 0.5s ease-out forwards;
}
@keyframes rippleAnim {
    to { transform: scale(4); opacity: 0; }
}

/* ── Glow Pulse Animations ── */
@keyframes pulseGlow {
    0%, 100% { box-shadow: var(--glow-red); }
    50% { box-shadow: 0 0 30px rgba(230,57,70,0.6), 0 0 60px rgba(230,57,70,0.2); }
}

/* ── Improved Form Interactions ── */
.form-control {
    border-radius: 10px;
    border: 1px solid var(--border-red);
    background-color: var(--bg3, var(--input-bg, #111118));
    color: var(--text);
    transition: all 0.3s ease;
}
.form-control::placeholder {
    color: var(--text-dim);
    opacity: 0.7;
}
.form-control:hover {
    border-color: var(--red-dim);
}
.form-control:focus {
    border-color: var(--red) !important;
    background-color: var(--bg2);
    box-shadow: 0 0 0 2px var(--bg), 0 0 12px 2px rgba(230,57,70,0.4) !important;
}

/* ── Light theme form adjustments ── */
html[data-theme="light"] .form-control {
    background-color: var(--input-bg, #f5f5fa);
}

/* ── Glassy Cards ── */
.card {
    background: var(--card-bg);
    border-radius: 16px;
    padding: 20px;
    backdrop-filter: blur(10px);
    box-shadow: 0 8px 30px rgba(0,0,0,0.3);
    transition: all 0.3s ease;
}
.card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 40px rgba(230,57,70,0.15);
}

/* ── Links ── */
a { transition: all 0.2s ease; }

/* ── Footer ── */
.footer {
    background: var(--nav-bg);
    border-top: 1px solid var(--border-red) !important;
    color: var(--text-dim) !important;
    backdrop-filter: blur(20px);
}
.footer a {
    color: var(--red) !important;
    text-decoration: none;
    font-family: var(--font-mono);
    font-size: 12px;
    letter-spacing: 1px;
}
.footer a:hover {
    color: var(--red) !important;
    text-shadow: var(--glow-red);
}

/* ── Page Transitions ── */
main {
    animation: fadeIn 0.3s ease;
}
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to   { opacity: 1; transform: translateY(0); }
}

/* ── Loading Spinner ── */
.spinner-cyber {
    display: inline-block;
    width: 20px; height: 20px;
    border: 2px solid var(--border-red);
    border-top-color: var(--red);
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
}
@keyframes spin {
    to { transform: rotate(360deg); }
}

/* ── Tooltip Cyber ── */
[data-tip] {
    position: relative;
}
[data-tip]::after {
    content: attr(data-tip);
    position: absolute;
    bottom: calc(100% + 8px);
    left: 50%;
    transform: translateX(-50%) scale(0.9);
    background: var(--bg2);
    color: var(--text);
    font-family: var(--font-mono);
    font-size: 11px;
    padding: 4px 10px;
    border: 1px solid var(--border-red);
    white-space: nowrap;
    opacity: 0;
    pointer-events: none;
    transition: all 0.15s ease;
}
[data-tip]:hover::after {
    opacity: 1;
    transform: translateX(-50%) scale(1);
}