/* ═══════════════════════════════════════════════
   LinkStash — Common Styles
   ═══════════════════════════════════════════════ */

:root {
    --bg: #0f0a1e;
    --bg-card: #16112a;
    --bg-hover: #1e1740;
    --bg-input: #0e0d17;
    --accent: #818cf8;
    --accent-strong: #6366f1;
    --accent-glow: rgba(99,102,241,0.15);
    --text: #e2e0f0;
    --text-muted: #7c7a94;
    --text-dim: #4a4862;
    --success: #34d399;
    --warn: #fbbf24;
    --red: #f87171;
    --border: rgba(255,255,255,0.06);
    --radius: 14px;
}

/* ── Reset ── */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { background: var(--bg); }
body {
    font-family: 'DM Sans', -apple-system, system-ui, sans-serif;
    color: var(--text);
    background: var(--bg);
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
}

a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--text); }

/* ── Layout ── */
.app { max-width: 720px; margin: 0 auto; padding: 20px 16px 100px; }

/* ── Buttons ── */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 10px 20px;
    border-radius: 12px;
    font-size: 14px;
    font-weight: 600;
    font-family: inherit;
    border: none;
    cursor: pointer;
    text-decoration: none;
    transition: all 0.2s;
}
.btn:active { transform: scale(0.97); }
.btn-primary { background: var(--accent-strong); color: white; }
.btn-primary:hover { background: #5558e6; color: white; }
.btn-ghost { background: transparent; color: var(--text-muted); }
.btn-ghost:hover { color: var(--accent); background: var(--accent-glow); }
.btn-small {
    padding: 8px 16px;
    border-radius: 10px;
    font-size: 13px;
    font-weight: 600;
    border: none;
    cursor: pointer;
    background: var(--accent-strong);
    color: white;
    font-family: inherit;
}
.btn-danger { background: rgba(248,113,113,0.1); color: var(--red); border: 1px solid rgba(248,113,113,0.2); }
.btn-danger:hover { background: rgba(248,113,113,0.2); color: var(--red); }

.icon-btn {
    width: 40px; height: 40px; border-radius: 12px;
    background: var(--bg-card); border: 1px solid var(--border);
    color: var(--text-muted); font-size: 18px; cursor: pointer;
    display: inline-flex; align-items: center; justify-content: center;
    transition: all 0.2s; text-decoration: none;
}
.icon-btn:hover, .icon-btn.active {
    background: var(--accent-glow); color: var(--accent); border-color: var(--accent-strong);
}

/* ── Form inputs ── */
.input {
    width: 100%;
    padding: 12px 16px;
    border-radius: 12px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    color: var(--text);
    font-size: 14px;
    font-family: inherit;
    outline: none;
    transition: border-color 0.2s;
}
.input::placeholder { color: var(--text-dim); }
.input:focus { border-color: var(--accent-strong); }
input[type="color"] { width: 44px; padding: 4px; cursor: pointer; }

/* ── Tags / Badges ── */
.mini-tag {
    display: inline-block;
    padding: 2px 10px;
    border-radius: 12px;
    font-size: 11px;
    background: rgba(255,255,255,0.04);
    color: var(--text-muted);
    border: 1px solid transparent;
}

/* ── Flash messages ── */
.flash {
    padding: 12px 16px;
    border-radius: 12px;
    font-size: 13px;
    margin-bottom: 16px;
    text-align: center;
}
.flash-error {
    background: rgba(248,113,113,0.08);
    border: 1px solid rgba(248,113,113,0.15);
    color: var(--red);
}
.flash-success {
    background: rgba(52,211,153,0.08);
    border: 1px solid rgba(52,211,153,0.15);
    color: var(--success);
}
.flash-warn {
    background: rgba(251,191,36,0.08);
    border: 1px solid rgba(251,191,36,0.15);
    color: var(--warn);
}

/* ── Empty state ── */
.empty {
    text-align: center;
    padding: 48px 20px;
    color: var(--text-muted);
}
.empty .emoji { font-size: 48px; margin-bottom: 12px; }

/* ── Mono text ── */
.mono { font-family: 'Space Mono', monospace; }

/* ── Spinner ── */
.spinner {
    width: 24px; height: 24px;
    border: 3px solid rgba(99,102,241,0.2);
    border-top-color: var(--accent);
    border-radius: 50%;
    animation: spin 0.7s linear infinite;
    display: inline-block;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ── Visually hidden (SR only) ── */
.sr-only {
    position: absolute; width: 1px; height: 1px;
    padding: 0; margin: -1px; overflow: hidden;
    clip: rect(0,0,0,0); border: 0;
}