/* ===== Simple URL Shortener — Front-end ===== */

.sus-front {
    --sus-primary: #6366f1;
    --sus-accent: #ec4899;
    --sus-accent2: #06b6d4;
    --sus-text: #1e1b2e;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    max-width: 1000px;
    margin: 0 auto;
    box-sizing: border-box;
}
.sus-front *, .sus-front *::before, .sus-front *::after { box-sizing: border-box; }

/* ---------- Hero ---------- */
.sus-hero {
    position: relative;
    padding: 56px 24px 64px;
    border-radius: 24px;
    overflow: hidden;
    text-align: center;
    isolation: isolate;
    margin-bottom: 40px;
}
.sus-hero::before {
    content: "";
    position: absolute;
    inset: -40%;
    z-index: -1;
    background: linear-gradient(120deg, #6366f1, #ec4899, #06b6d4, #8b5cf6);
    background-size: 400% 400%;
    animation: susFrontMove 15s ease infinite;
}
@keyframes susFrontMove {
    0%   { background-position: 0% 50%; }
    50%  { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

.sus-hero-title {
    color: #fff;
    font-size: clamp(24px, 4vw, 36px);
    font-weight: 800;
    margin: 0 0 10px;
    text-shadow: 0 2px 14px rgba(0,0,0,0.18);
    animation: susUp 0.5s ease both;
}
.sus-hero-sub {
    color: rgba(255,255,255,0.92);
    font-size: 15px;
    margin: 0 auto 30px;
    max-width: 560px;
    animation: susUp 0.5s ease both;
    animation-delay: 0.06s;
}
@keyframes susUp {
    from { opacity: 0; transform: translateY(14px); }
    to   { opacity: 1; transform: translateY(0); }
}

/* ---------- Shorten box ---------- */
.sus-shorten-box, .sus-tool-box {
    background: rgba(255,255,255,0.96);
    backdrop-filter: blur(10px);
    border-radius: 18px;
    padding: 24px;
    max-width: 680px;
    margin: 0 auto;
    box-shadow: 0 12px 40px rgba(0,0,0,0.16);
    animation: susUp 0.5s ease both;
    animation-delay: 0.12s;
    text-align: left;
}

.sus-tool-box {
    background: #fff;
    border: 1px solid #ececf5;
    box-shadow: 0 6px 24px rgba(99,102,241,0.10);
    margin: 30px auto;
}
.sus-tool-title { margin: 0 0 6px; font-size: 22px; font-weight: 800; color: var(--sus-text); }
.sus-tool-sub { margin: 0 0 18px; font-size: 14px; color: #6b7280; }

.sus-input-row { display: flex; gap: 10px; flex-wrap: wrap; }
.sus-input-row input {
    flex: 1 1 260px;
    padding: 14px 16px;
    font-size: 15px;
    border: 1px solid #e0e0ec;
    border-radius: 12px;
    outline: none;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
    min-width: 0;
}
.sus-input-row input:focus {
    border-color: var(--sus-primary);
    box-shadow: 0 0 0 3px rgba(99,102,241,0.15);
}

.sus-main-btn {
    padding: 14px 26px;
    font-size: 15px;
    font-weight: 700;
    color: #fff;
    border: none;
    border-radius: 12px;
    cursor: pointer;
    background: linear-gradient(90deg, var(--sus-primary), var(--sus-accent));
    box-shadow: 0 6px 18px rgba(99,102,241,0.35);
    transition: transform 0.2s ease, box-shadow 0.2s ease, opacity 0.2s ease;
    white-space: nowrap;
}
.sus-main-btn:hover { transform: translateY(-2px); box-shadow: 0 10px 24px rgba(99,102,241,0.45); }
.sus-main-btn:disabled { opacity: 0.65; cursor: not-allowed; transform: none; }

.sus-options { display: flex; gap: 10px; margin-top: 12px; flex-wrap: wrap; }
.sus-options select, .sus-options input {
    padding: 10px 12px;
    border: 1px solid #e8e8f2;
    border-radius: 10px;
    font-size: 14px;
    outline: none;
    background: #fafaff;
}
.sus-options input { flex: 1 1 180px; min-width: 0; }

/* ---------- Messages ---------- */
.sus-msg {
    margin-top: 14px;
    padding: 12px 14px;
    border-radius: 10px;
    font-size: 14px;
    animation: susUp 0.3s ease both;
}
.sus-error { background: #fee2e2; color: #b91c1c; }

/* ---------- Result ---------- */
.sus-result { margin-top: 18px; animation: susUp 0.4s ease both; }
.sus-result-inner {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px;
    border-radius: 12px;
    background: linear-gradient(90deg, rgba(99,102,241,0.08), rgba(236,72,153,0.08));
    border: 1px solid rgba(99,102,241,0.2);
    flex-wrap: wrap;
}
.sus-result-left { flex: 1 1 200px; min-width: 0; }
.sus-result-label { display: block; font-size: 12px; color: #6b7280; font-weight: 600; margin-bottom: 3px; }
.sus-result-link {
    font-size: 17px;
    font-weight: 800;
    color: var(--sus-primary);
    text-decoration: none;
    overflow-wrap: break-word;
}
.sus-result-link:hover { text-decoration: underline; }

.sus-copy-btn {
    padding: 10px 20px;
    border: none;
    border-radius: 10px;
    background: var(--sus-primary);
    color: #fff;
    font-weight: 700;
    cursor: pointer;
    transition: background 0.2s ease, transform 0.15s ease;
}
.sus-copy-btn:hover { background: #4338ca; transform: translateY(-2px); }
.sus-copy-btn.sus-copied { background: #16a34a; }

.sus-result-qr { margin-top: 16px; text-align: center; }
.sus-result-qr img {
    width: 150px; height: 150px;
    border-radius: 12px;
    padding: 8px;
    background: #fff;
    border: 1px solid #ececf5;
    animation: susPop 0.4s ease both;
}
.sus-result-qr span { display: block; font-size: 12px; color: #6b7280; margin-top: 6px; }
@keyframes susPop {
    from { opacity: 0; transform: scale(0.85); }
    to   { opacity: 1; transform: scale(1); }
}

/* ---------- Stats / unshorten results ---------- */
.sus-stats-result { display: flex; gap: 14px; margin-top: 18px; flex-wrap: wrap; }
.sus-stat-pill {
    flex: 1 1 140px;
    padding: 18px;
    border-radius: 14px;
    background: linear-gradient(135deg, rgba(99,102,241,0.09), rgba(6,182,212,0.09));
    border: 1px solid rgba(99,102,241,0.16);
    text-align: center;
    animation: susPop 0.4s ease both;
}
.sus-stat-pill strong { display: block; font-size: 26px; font-weight: 800; color: var(--sus-text); }
.sus-stat-pill span { font-size: 12px; color: #6b7280; }

.sus-unshorten-result {
    margin-top: 18px;
    padding: 16px;
    border-radius: 12px;
    background: #f7f7ff;
    border: 1px solid #e6e6f5;
    animation: susUp 0.4s ease both;
}
.sus-destination { font-weight: 700; color: var(--sus-primary); overflow-wrap: break-word; }

/* ---------- Features grid ---------- */
.sus-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
    gap: 18px;
    margin-bottom: 40px;
}
.sus-feature-card {
    background: #fff;
    border: 1px solid #ececf5;
    border-radius: 16px;
    padding: 24px 22px;
    box-shadow: 0 4px 18px rgba(99,102,241,0.08);
    transition: transform 0.25s ease, box-shadow 0.25s ease;
    animation: susUp 0.5s ease both;
}
.sus-feature-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 14px 32px rgba(99,102,241,0.18);
}
.sus-feature-icon {
    font-size: 28px;
    display: inline-block;
    margin-bottom: 10px;
    animation: susFloatF 3s ease-in-out infinite;
}
@keyframes susFloatF {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-5px); }
}
.sus-feature-card h3 { margin: 0 0 6px; font-size: 17px; font-weight: 700; color: var(--sus-text); }
.sus-feature-card p { margin: 0; font-size: 14px; color: #6b7280; line-height: 1.55; }

/* ---------- Mobile ---------- */
@media (max-width: 600px) {
    .sus-hero { padding: 40px 16px 48px; border-radius: 18px; }
    .sus-shorten-box, .sus-tool-box { padding: 18px; }
    .sus-main-btn { width: 100%; }
    .sus-input-row input { flex: 1 1 100%; }
}