/* ============================================
   STATAU 统一反馈组件
   ============================================ */

:root {
    --feedback-bg-primary: var(--bg-primary, #0a0e27);
    --feedback-bg-secondary: var(--bg-secondary, #141b2d);
    --feedback-bg-tertiary: var(--bg-tertiary, #1e2740);
    --feedback-bg-elevated: var(--bg-elevated, #252d44);
    --feedback-text-primary: var(--text-primary, #e2e8f0);
    --feedback-text-secondary: var(--text-secondary, #94a3b8);
    --feedback-text-muted: var(--text-muted, #a7b5c6);
    --feedback-border: var(--border-color, #2d3748);
    --feedback-accent: var(--accent-primary, #00d4ff);
    --feedback-success: var(--accent-success, #10b981);
    --feedback-warning: var(--accent-warning, #f59e0b);
    --feedback-danger: var(--accent-danger, #ef4444);
    --feedback-info: #38bdf8;
    --feedback-radius: var(--radius-lg, 0.75rem);
    --feedback-shadow: var(--shadow-xl, 0 20px 25px rgba(0, 0, 0, 0.3));
}

.statau-toast-region {
    position: fixed;
    top: calc(var(--statau-navbar-offset, 56px) + 16px);
    right: 18px;
    z-index: 2200;
    display: flex;
    flex-direction: column;
    gap: 10px;
    width: min(390px, calc(100vw - 32px));
    pointer-events: none;
}

.statau-toast {
    pointer-events: auto;
    display: grid;
    grid-template-columns: 38px minmax(0, 1fr) 34px;
    gap: 12px;
    align-items: start;
    padding: 14px 12px 14px 14px;
    border: 1px solid color-mix(in srgb, var(--feedback-accent) 32%, transparent);
    border-radius: var(--feedback-radius);
    background:
        linear-gradient(135deg, rgba(0, 212, 255, 0.08), rgba(124, 58, 237, 0.06)),
        color-mix(in srgb, var(--feedback-bg-secondary) 94%, transparent);
    color: var(--feedback-text-primary);
    box-shadow: var(--feedback-shadow), 0 0 24px rgba(0, 212, 255, 0.12);
    backdrop-filter: blur(14px);
    transform: translateX(18px);
    opacity: 0;
    transition: opacity 180ms ease, transform 180ms ease;
}

.statau-toast.is-visible {
    transform: translateX(0);
    opacity: 1;
}

.statau-toast.is-leaving {
    transform: translateX(18px);
    opacity: 0;
}

.statau-toast-icon,
.statau-feedback-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: 10px;
    background: rgba(0, 212, 255, 0.13);
    color: var(--feedback-accent);
    flex: 0 0 auto;
}

.statau-toast-title {
    margin: 1px 0 3px;
    font-size: 0.92rem;
    font-weight: 700;
    line-height: 1.25;
}

.statau-toast-message {
    margin: 0;
    color: var(--feedback-text-secondary);
    font-size: 0.86rem;
    line-height: 1.55;
    white-space: pre-wrap;
    overflow-wrap: anywhere;
}

.statau-toast-close,
.statau-feedback-close {
    width: 32px;
    height: 32px;
    border: 0;
    border-radius: 8px;
    background: transparent;
    color: var(--feedback-text-muted);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: background 150ms ease, color 150ms ease;
}

.statau-toast-close:hover,
.statau-feedback-close:hover {
    background: rgba(148, 163, 184, 0.14);
    color: var(--feedback-text-primary);
}

.statau-toast-success,
.statau-feedback-success {
    --feedback-tone: var(--feedback-success);
}

.statau-toast-warning,
.statau-feedback-warning {
    --feedback-tone: var(--feedback-warning);
}

.statau-toast-danger,
.statau-toast-error,
.statau-feedback-danger,
.statau-feedback-error {
    --feedback-tone: var(--feedback-danger);
}

.statau-toast-info,
.statau-feedback-info {
    --feedback-tone: var(--feedback-info);
}

.statau-toast-success,
.statau-toast-warning,
.statau-toast-danger,
.statau-toast-error,
.statau-toast-info {
    border-color: color-mix(in srgb, var(--feedback-tone) 38%, transparent);
}

.statau-toast-success .statau-toast-icon,
.statau-toast-warning .statau-toast-icon,
.statau-toast-danger .statau-toast-icon,
.statau-toast-error .statau-toast-icon,
.statau-toast-info .statau-toast-icon,
.statau-feedback-success .statau-feedback-icon,
.statau-feedback-warning .statau-feedback-icon,
.statau-feedback-danger .statau-feedback-icon,
.statau-feedback-error .statau-feedback-icon,
.statau-feedback-info .statau-feedback-icon {
    color: var(--feedback-tone);
    background: color-mix(in srgb, var(--feedback-tone) 16%, transparent);
}

.statau-feedback-modal .modal-dialog {
    max-width: min(560px, calc(100vw - 32px));
}

.statau-feedback-modal .modal-content,
.statau-feedback-fallback-dialog {
    overflow: hidden;
    border: 1px solid color-mix(in srgb, var(--feedback-accent) 24%, var(--feedback-border));
    border-radius: var(--feedback-radius);
    background:
        linear-gradient(135deg, rgba(0, 212, 255, 0.08), rgba(124, 58, 237, 0.06)),
        var(--feedback-bg-secondary);
    color: var(--feedback-text-primary);
    box-shadow: var(--feedback-shadow), 0 0 36px rgba(0, 212, 255, 0.16);
}

.statau-feedback-modal .modal-header,
.statau-feedback-header {
    display: flex;
    gap: 14px;
    align-items: flex-start;
    padding: 18px 18px 14px;
    border-bottom: 1px solid color-mix(in srgb, var(--feedback-accent) 18%, var(--feedback-border));
}

.statau-feedback-title {
    margin: 0;
    font-size: 1.05rem;
    font-weight: 800;
    line-height: 1.3;
}

.statau-feedback-kicker {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    margin-bottom: 4px;
    color: var(--feedback-accent);
    font-size: 0.72rem;
    font-weight: 800;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.statau-feedback-body {
    padding: 18px;
}

.statau-feedback-message {
    margin: 0;
    color: var(--feedback-text-secondary);
    line-height: 1.7;
    white-space: pre-wrap;
    overflow-wrap: anywhere;
}

.statau-feedback-details {
    margin-top: 14px;
    max-height: 240px;
    overflow: auto;
    padding: 12px;
    border: 1px solid var(--feedback-border);
    border-radius: 10px;
    background: color-mix(in srgb, var(--feedback-bg-primary) 88%, transparent);
    color: var(--feedback-text-secondary);
    font-family: var(--font-mono, Consolas, monospace);
    font-size: 0.82rem;
    line-height: 1.55;
    white-space: pre-wrap;
}

.statau-feedback-input {
    width: 100%;
    margin-top: 14px;
    padding: 11px 12px;
    border: 1px solid var(--feedback-border);
    border-radius: 10px;
    background: var(--feedback-bg-tertiary);
    color: var(--feedback-text-primary);
    outline: none;
    transition: border-color 150ms ease, box-shadow 150ms ease;
}

.statau-feedback-input:focus {
    border-color: var(--feedback-accent);
    box-shadow: 0 0 0 3px rgba(0, 212, 255, 0.12);
}

.statau-feedback-error-text {
    display: none;
    margin-top: 8px;
    color: var(--feedback-danger);
    font-size: 0.82rem;
}

.statau-feedback-error-text.is-visible {
    display: block;
}

.statau-feedback-upgrade-card {
    margin-top: 16px;
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px;
}

.statau-feedback-upgrade-metric {
    padding: 12px;
    border: 1px solid color-mix(in srgb, var(--feedback-accent) 20%, var(--feedback-border));
    border-radius: 10px;
    background: color-mix(in srgb, var(--feedback-bg-primary) 72%, transparent);
}

.statau-feedback-upgrade-metric span {
    display: block;
    color: var(--feedback-text-muted);
    font-size: 0.76rem;
}

.statau-feedback-upgrade-metric strong {
    display: block;
    margin-top: 4px;
    color: var(--feedback-text-primary);
    font-size: 1rem;
}

.statau-feedback-footer {
    display: flex;
    justify-content: flex-end;
    gap: 10px;
    padding: 14px 18px 18px;
    border-top: 1px solid color-mix(in srgb, var(--feedback-accent) 12%, var(--feedback-border));
}

.statau-feedback-btn {
    position: relative;
    isolation: isolate;
    overflow: hidden;
    min-height: 40px;
    border: 1px solid var(--feedback-border);
    border-radius: 10px;
    padding: 8px 16px;
    background: var(--feedback-bg-tertiary);
    color: var(--feedback-text-primary);
    font-weight: 700;
    transition: transform 150ms ease, box-shadow 150ms ease, border-color 150ms ease, background 150ms ease;
}

.statau-feedback-btn:hover {
    transform: translateY(-1px);
    border-color: var(--feedback-accent);
    box-shadow: 0 0 16px rgba(0, 212, 255, 0.18);
}

.statau-feedback-btn-primary {
    border: 0;
    background: linear-gradient(135deg, var(--feedback-accent), #2563eb 48%, #7c3aed);
    color: #fff;
    box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.16), 0 10px 24px rgba(0, 212, 255, 0.16);
}

.statau-feedback-btn-danger {
    border-color: transparent;
    background: linear-gradient(135deg, var(--feedback-danger), #be123c);
    color: #fff;
}

.statau-feedback-btn-warning {
    border-color: transparent;
    background: linear-gradient(135deg, var(--feedback-warning), #ea580c);
    color: #111827;
}

.statau-feedback-backdrop {
    position: fixed;
    inset: 0;
    z-index: 2100;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 16px;
    background: rgba(2, 6, 23, 0.62);
    backdrop-filter: blur(8px);
}

.statau-feedback-fallback-dialog {
    width: min(560px, 100%);
}

@media (max-width: 576px) {
    .statau-toast-region {
        top: calc(var(--statau-navbar-offset, 56px) + 10px);
        right: 10px;
        left: 10px;
        width: auto;
    }

    .statau-feedback-footer {
        flex-direction: column-reverse;
    }

    .statau-feedback-btn {
        width: 100%;
    }

    .statau-feedback-upgrade-card {
        grid-template-columns: 1fr;
    }
}

@media (prefers-reduced-motion: reduce) {
    .statau-toast,
    .statau-feedback-btn,
    .statau-toast-close,
    .statau-feedback-close {
        transition: none;
    }
}