/* ========== 模态框 · 玻璃层 + 动态渐变光斑 ========== */
.modal-container {
    position: fixed; top: 0; left: 0; width: 100%; height: 100%;
    z-index: 200000;
    display: none; align-items: center; justify-content: center;
    /* 覆盖登录页 drag，否则弹窗内输入框无法聚焦/输入 */
    -webkit-app-region: no-drag;
}
.modal-container.active { display: flex; }
.modal-container,
.modal-container * {
    -webkit-app-region: no-drag;
}

.modal-overlay {
    position: absolute; top: 0; left: 0; width: 100%; height: 100%;
    background: rgba(15, 23, 42, 0.28);
    backdrop-filter: blur(12px) saturate(125%); -webkit-backdrop-filter: blur(12px) saturate(125%);
    animation: modal-fade-in 0.3s ease;
}
@keyframes modal-fade-in { from { opacity: 0; } to { opacity: 1; } }

.modal-dialog {
    position: relative;
    z-index: 1;
    width: min(420px, 92vw);
    max-width: 92vw;
    max-height: 85vh;
    display: flex;
    flex-direction: column;
    box-sizing: border-box;
    border-radius: 18px;
    overflow: hidden;
    isolation: isolate;
    background: transparent;
    box-shadow:
        20px 20px 50px rgba(190, 190, 190, 0.55),
        -16px -16px 40px rgba(255, 255, 255, 0.85),
        0 18px 48px rgba(15, 23, 42, 0.12);
    animation: modal-slide-in 0.4s cubic-bezier(.34, 1.56, .64, 1);
}
.modal-dialog.small { width: min(360px, 92vw); }
.modal-dialog.medium { width: min(420px, 92vw); }
.modal-dialog.large { width: min(720px, 94vw); }
.modal-dialog.xlarge { width: min(960px, 96vw); }

.dark .modal-dialog,
html[data-theme="dark"] .modal-dialog {
    box-shadow:
        20px 20px 50px rgba(17, 17, 17, 0.85),
        -16px -16px 40px rgba(34, 34, 34, 0.75),
        0 18px 48px rgba(0, 0, 0, 0.45);
}

/* 动态渐变光斑（GradientBlob 效果） */
.modal-blob {
    position: absolute;
    top: 50%;
    left: 50%;
    width: min(220px, 55%);
    height: min(220px, 55%);
    border-radius: 999px;
    z-index: 0;
    pointer-events: none;
    opacity: 0.95;
    filter: blur(18px);
    background: linear-gradient(135deg, #ec4899 0%, #ef4444 48%, #eab308 100%);
    animation: modal-blob-orbit 5s linear infinite;
    will-change: transform;
}
@keyframes modal-blob-orbit {
    0% { transform: translate(-100%, -100%); }
    25% { transform: translate(0%, -100%); }
    50% { transform: translate(0%, 0%); }
    75% { transform: translate(-100%, 0%); }
    100% { transform: translate(-100%, -100%); }
}

/* 玻璃内容层 */
.modal-glass {
    position: relative;
    z-index: 1;
    margin: 5px;
    display: flex;
    flex-direction: column;
    min-height: 0;
    max-height: calc(85vh - 10px);
    border-radius: 14px;
    background: rgba(255, 255, 255, 0.94);
    backdrop-filter: blur(24px) saturate(160%);
    -webkit-backdrop-filter: blur(24px) saturate(160%);
    outline: 2px solid rgba(255, 255, 255, 0.92);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.95);
    overflow: hidden;
}
.dark .modal-glass,
html[data-theme="dark"] .modal-glass {
    background: rgba(15, 23, 42, 0.78);
    outline-color: rgba(71, 85, 105, 0.85);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.06);
}

.modal-glass::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 3px;
    background: linear-gradient(90deg, #ec4899, #ef4444, #eab308);
    z-index: 2;
    pointer-events: none;
}

@keyframes modal-slide-in {
    from { opacity: 0; transform: translateY(-20px) scale(0.96); }
    to { opacity: 1; transform: translateY(0) scale(1); }
}

@media (prefers-reduced-motion: reduce) {
    .modal-blob { animation: none; transform: translate(-50%, -50%); opacity: 0.55; }
    .modal-dialog { animation: none; }
}

.modal-header {
    display: flex; justify-content: space-between; align-items: center;
    padding: var(--spacing-lg) var(--spacing-xl) var(--spacing-md);
    border-bottom: 1.5px solid rgba(226, 232, 240, 0.5);
    position: relative;
    z-index: 1;
}
.modal-title {
    font-size: 17px; font-weight: 700; color: var(--color-text);
    letter-spacing: -0.2px;
}
.modal-close {
    width: 36px; height: 36px; border: none; background: rgba(239, 68, 68, 0.08);
    cursor: pointer; border-radius: 12px; display: flex; align-items: center; justify-content: center;
    font-size: 17px; color: var(--color-text-lighter); transition: all var(--transition-fast);
    position: relative;
}
.modal-close::after {
    content: ''; position: absolute; inset: 0; border-radius: inherit;
    background: transparent; transition: background var(--transition-fast);
}
.modal-close:hover {
    background: rgba(239, 68, 68, 0.14); color: #DC2626;
    transform: scale(1.08) rotate(90deg);
}

.modal-body {
    padding: var(--spacing-lg) var(--spacing-xl);
    overflow-y: auto;
    flex: 1;
    color: var(--color-text);
    position: relative;
    z-index: 1;
}
.modal-body p { margin-bottom: 8px; line-height: 1.7; word-break: break-word; }
.modal-dialog.small .modal-header,
.modal-dialog.small .modal-body,
.modal-dialog.small .modal-footer {
    padding-left: 18px;
    padding-right: 18px;
}
.modal-dialog.small .modal-body {
    padding-top: 14px;
    padding-bottom: 14px;
}
.modal-footer {
    display: flex; justify-content: flex-end; gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-xl) var(--spacing-lg);
    border-top: 1.5px solid rgba(226, 232, 240, 0.4);
    position: relative;
    z-index: 1;
}

.modal-form .input-group { margin-bottom: var(--spacing-md); width: 100%; }
.modal-form .input-group label {
    display: block; margin-bottom: 7px; font-weight: 600;
    font-size: 13px; color: var(--color-text);
}
.modal-form .input-group input,
.modal-form .input-group select,
.modal-form .input-group textarea {
    width: 100%; padding: 12px 16px; border: 1.5px solid var(--color-border);
    border-radius: var(--radius-sm); font-size: 14px;
    outline: none; transition: all var(--transition-fast); font-family: var(--font-family);
    background: var(--color-input-bg); color: var(--color-text);
    box-sizing: border-box;
    box-shadow: 0 1px 3px rgba(15, 23, 42, 0.04);
}
.modal-form .input-group input:focus,
.modal-form .input-group select:focus,
.modal-form .input-group textarea:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(236, 72, 153, 0.12), 0 1px 3px rgba(15, 23, 42, 0.04);
    background: var(--color-surface);
}
.modal-form .input-group input::placeholder,
.modal-form .input-group select::placeholder,
.modal-form .input-group textarea::placeholder { color: var(--color-text-lighter); }