:root {
    --orange-1: #ff7a18;
    --orange-2: #ff9d45;
    --orange-3: #ffb066;
    --orange-dark: #d9530f;
    --bg-orange: linear-gradient(135deg, #ff9a3c 0%, #ff6a00 55%, #ff8c42 100%);
    --card-bg: #ffffff;
    --text-dark: #3b2314;
    --text-light: #8a6a52;
    --border-soft: #ffe0c2;
}

* { box-sizing: border-box; }

body {
    margin: 0;
    font-family: "Microsoft YaHei", "PingFang SC", "Helvetica Neue", Arial, sans-serif;
    background: var(--bg-orange);
    min-height: 100vh;
    color: var(--text-dark);
}

/* ---------- 登录页 ---------- */
.login-body {
    display: flex;
    align-items: center;
    justify-content: center;
}
.login-box {
    background: var(--card-bg);
    padding: 48px 40px;
    border-radius: 18px;
    box-shadow: 0 20px 50px rgba(180, 70, 0, 0.35);
    width: 340px;
    text-align: center;
}
.login-box h1 {
    margin: 0 0 6px;
    color: var(--orange-dark);
    font-size: 26px;
}
.login-box .sub {
    color: var(--text-light);
    margin-bottom: 24px;
    font-size: 14px;
}
.login-box input[type="password"] {
    width: 100%;
    padding: 12px 14px;
    border: 2px solid var(--border-soft);
    border-radius: 10px;
    font-size: 15px;
    margin-bottom: 16px;
    outline: none;
    transition: border-color .2s;
}
.login-box input[type="password"]:focus {
    border-color: var(--orange-1);
}
.login-box button {
    width: 100%;
    padding: 12px;
    border: none;
    border-radius: 10px;
    background: linear-gradient(135deg, var(--orange-1), var(--orange-dark));
    color: #fff;
    font-size: 15px;
    font-weight: bold;
    cursor: pointer;
    transition: transform .15s, box-shadow .15s;
}
.login-box button:hover {
    transform: translateY(-1px);
    box-shadow: 0 8px 18px rgba(217, 83, 15, 0.4);
}
.alert-error {
    background: #fff0e6;
    color: #d9530f;
    border: 1px solid #ffcaa0;
    padding: 10px;
    border-radius: 8px;
    margin-bottom: 16px;
    font-size: 13px;
}

/* ---------- 主页面 ---------- */
.topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 18px 32px;
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(6px);
    color: #fff;
}
.topbar h1 {
    font-size: 20px;
    margin: 0;
    display: flex;
    align-items: center;
    gap: 8px;
}
.topbar a.logout {
    color: #fff;
    background: rgba(0,0,0,0.15);
    padding: 8px 16px;
    border-radius: 20px;
    text-decoration: none;
    font-size: 13px;
    transition: background .2s;
}
.topbar a.logout:hover {
    background: rgba(0,0,0,0.3);
}

.container {
    max-width: 1080px;
    margin: 24px auto 60px;
    padding: 0 20px;
}

.card {
    background: var(--card-bg);
    border-radius: 16px;
    padding: 26px 28px;
    margin-bottom: 26px;
    box-shadow: 0 14px 34px rgba(150, 60, 0, 0.18);
}
.card h2 {
    margin: 0 0 18px;
    font-size: 17px;
    color: var(--orange-dark);
    display: flex;
    align-items: center;
    gap: 8px;
}

.form-row {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    margin-bottom: 14px;
}
.form-group {
    flex: 1;
    min-width: 200px;
}
.form-group label {
    display: block;
    font-size: 13px;
    color: var(--text-light);
    margin-bottom: 6px;
}
.form-group input[type="text"],
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 10px 12px;
    border: 1.5px solid var(--border-soft);
    border-radius: 8px;
    font-size: 14px;
    outline: none;
    font-family: inherit;
    transition: border-color .2s;
}
.form-group textarea {
    resize: vertical;
    min-height: 110px;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--orange-1);
}
.hint {
    font-size: 12px;
    color: #b98a63;
    margin-top: 4px;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    border: none;
    border-radius: 8px;
    padding: 10px 20px;
    font-size: 14px;
    cursor: pointer;
    font-weight: 600;
    transition: transform .12s, box-shadow .12s, opacity .12s;
}
.btn-primary {
    background: linear-gradient(135deg, var(--orange-1), var(--orange-dark));
    color: #fff;
}
.btn-primary:hover { transform: translateY(-1px); box-shadow: 0 8px 16px rgba(217,83,15,.35); }
.btn-outline {
    background: #fff;
    border: 1.5px solid var(--orange-2);
    color: var(--orange-dark);
}
.btn-outline:hover { background: #fff4ea; }
.btn-danger {
    background: #fff0f0;
    color: #d9342f;
    border: 1.5px solid #ffc9c6;
}
.btn-danger:hover { background: #ffe4e3; }
.btn-sm { padding: 6px 12px; font-size: 12px; border-radius: 6px; }

table {
    width: 100%;
    border-collapse: collapse;
    font-size: 13.5px;
}
thead th {
    text-align: left;
    color: var(--text-light);
    font-weight: 600;
    border-bottom: 2px solid var(--border-soft);
    padding: 10px 8px;
    white-space: nowrap;
}
tbody td {
    padding: 12px 8px;
    border-bottom: 1px solid #fbe9d8;
    vertical-align: middle;
}
tbody tr:hover { background: #fff8f2; }

.short-link {
    color: var(--orange-dark);
    font-weight: 600;
    word-break: break-all;
}
.target-link {
    color: var(--text-light);
    font-size: 12.5px;
    word-break: break-all;
    max-width: 260px;
    display: inline-block;
}
.remark-tag {
    background: #fff1e2;
    color: var(--orange-dark);
    padding: 3px 10px;
    border-radius: 20px;
    font-size: 12px;
    display: inline-block;
}
.domain-tag {
    background: #ffe8d1;
    color: #a85300;
    padding: 3px 10px;
    border-radius: 20px;
    font-size: 11.5px;
}
.actions { display: flex; gap: 6px; flex-wrap: wrap; }

.empty-state {
    text-align: center;
    color: var(--text-light);
    padding: 40px 0;
    font-size: 14px;
}

.toast {
    position: fixed;
    top: 24px;
    left: 50%;
    transform: translateX(-50%);
    background: #333;
    color: #fff;
    padding: 12px 22px;
    border-radius: 8px;
    font-size: 14px;
    z-index: 9999;
    opacity: 0;
    pointer-events: none;
    transition: opacity .25s, top .25s;
}
.toast.show { opacity: 1; top: 40px; }
.toast.success { background: #2f8f4e; }
.toast.error { background: #d9342f; }

/* ---------- 弹窗 ---------- */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(60, 30, 10, 0.45);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 999;
    padding: 20px;
}
.modal-overlay.show { display: flex; }
.modal-box {
    background: #fff;
    border-radius: 16px;
    padding: 26px 28px;
    width: 100%;
    max-width: 420px;
    box-shadow: 0 20px 50px rgba(0,0,0,0.3);
}
.modal-box h3 {
    margin: 0 0 18px;
    color: var(--orange-dark);
    font-size: 17px;
}
.modal-actions {
    display: flex;
    justify-content: flex-end;
    gap: 10px;
    margin-top: 18px;
}
.qr-modal-box {
    text-align: center;
}
.qr-modal-box img {
    width: 220px;
    height: 220px;
    border: 6px solid #fff4ea;
    border-radius: 12px;
    margin: 10px 0 16px;
}
.qr-modal-box .short-link {
    display: block;
    margin-bottom: 6px;
    font-size: 13px;
}

footer.page-footer {
    text-align: center;
    color: rgba(255,255,255,0.85);
    font-size: 12px;
    padding-bottom: 24px;
}