/* ============================================================
   AstroBody — 能量输入页样式 (Input) · 顶级UI版
   ============================================================ */

/* ---------- 顶部导航 ---------- */
.top-nav.minimal {
    border-bottom: none;
    padding: var(--space-md) 0;
}

.top-nav.minimal .brand {
    font-size: 1.1rem;
    font-weight: 700;
    letter-spacing: -0.02em;
}

.top-nav.minimal .brand .logo-icon {
    font-size: 1.2rem;
    opacity: 0.8;
}

.nav-user {
    font-size: 1.2rem;
    opacity: 0.7;
}

/* ---------- 进度指示 ---------- */
.input-progress {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0;
    margin-bottom: var(--space-xs);
}

.progress-step {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--text-tertiary);
    background: var(--bg-input);
    border: 2px solid var(--border-color);
    transition: all 0.4s ease;
    flex-shrink: 0;
}

.progress-step.active {
    background: var(--brand-gold);
    border-color: var(--brand-gold);
    color: var(--brand-dark);
    box-shadow: 0 0 0 4px rgba(232, 184, 125, 0.2);
}

.progress-step.done {
    background: var(--brand-dark);
    border-color: var(--brand-dark);
    color: var(--text-white);
}

.progress-line {
    width: 48px;
    height: 2px;
    background: var(--border-color);
    flex-shrink: 0;
    transition: background 0.4s ease;
}

.progress-line.done {
    background: var(--brand-dark);
}

.progress-label {
    text-align: center;
    font-size: 0.75rem;
    color: var(--text-tertiary);
    font-weight: 500;
    letter-spacing: 0.05em;
    margin-bottom: var(--space-lg);
}

/* ---------- 输入区 ---------- */
.input-section {
    max-width: 480px;
    margin: 0 auto;
    padding: var(--space-md) 0 var(--space-2xl);
}

.input-header {
    margin-bottom: var(--space-lg);
}

.input-title {
    font-size: 2.2rem;
    font-weight: 800;
    line-height: 1.15;
    letter-spacing: -0.02em;
    color: var(--brand-dark);
    margin-bottom: var(--space-sm);
}

.input-title .highlight {
    background: linear-gradient(135deg, var(--brand-gold), var(--brand-gold-dark));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.input-desc {
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.7;
}

/* ---------- 表单 ---------- */
.input-form {
    margin-top: var(--space-lg);
}

/* 浮动标签 */
.form-group.floating {
    position: relative;
    margin-bottom: var(--space-lg);
}

.floating-input {
    width: 100%;
    padding: 18px 0 8px 0;
    border: none;
    border-bottom: 2px solid var(--border-color);
    background: transparent;
    font-size: 1rem;
    font-weight: 500;
    color: var(--brand-dark);
    outline: none;
    transition: border-color 0.3s ease;
    font-family: var(--font-family);
    appearance: none;
    -webkit-appearance: none;
}

.floating-input:focus {
    border-bottom-color: var(--brand-gold);
}

.floating-input:focus + .floating-label,
.floating-input:not(:placeholder-shown) + .floating-label {
    transform: translateY(-18px) scale(0.85);
    color: var(--brand-gold);
}

.floating-input:not(:focus):not(:placeholder-shown) + .floating-label {
    color: var(--text-tertiary);
}

/* select 特殊处理 */
.floating-select {
    padding-right: 24px;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%238A8A9A' stroke-width='2' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 0 center;
    cursor: pointer;
}

.floating-label {
    position: absolute;
    left: 0;
    bottom: 10px;
    font-size: 0.95rem;
    color: var(--text-tertiary);
    transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    pointer-events: none;
    font-weight: 400;
    transform-origin: left bottom;
}

.input-line {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--brand-gold);
    transition: width 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

.floating-input:focus ~ .input-line {
    width: 100%;
}

/* 错误提示 */
.form-group.floating .error-message {
    font-size: 0.75rem;
    color: #E74C3C;
    margin-top: var(--space-xs);
    display: none;
}

.form-group.floating .error-message.show {
    display: block;
}

.form-group.floating.has-error .floating-input {
    border-bottom-color: #E74C3C;
}

/* ---------- 隐私提示 ---------- */
.input-privacy {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm) 0;
    margin-bottom: var(--space-md);
}

.privacy-icon {
    font-size: 0.9rem;
    opacity: 0.6;
}

.privacy-text {
    font-size: 0.8rem;
    color: var(--text-tertiary);
}

/* ---------- 生成按钮 ---------- */
.btn-generate {
    position: relative;
    overflow: hidden;
    width: 100%;
    padding: 18px 32px;
    font-size: 1.05rem;
    font-weight: 600;
    border-radius: var(--radius-lg);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 4px 20px rgba(232, 184, 125, 0.3);
}

.btn-generate:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 32px rgba(232, 184, 125, 0.4);
}

.btn-generate:active {
    transform: scale(0.98);
}

.btn-generate .btn-shimmer {
    position: absolute;
    top: 0;
    left: -100%;
    width: 60%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.25), transparent);
    animation: shimmer 3s infinite;
}

@keyframes shimmer {
    0% { left: -60%; }
    100% { left: 120%; }
}

.btn-generate:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none !important;
}

.btn-generate:disabled .btn-shimmer {
    animation: none;
}

/* ---------- 底部文字 ---------- */
.input-footer-text {
    text-align: center;
    font-size: 0.75rem;
    color: var(--text-tertiary);
    margin-top: var(--space-lg);
}

.input-footer-text a {
    color: var(--brand-dark);
    font-weight: 500;
    text-decoration: underline;
    text-underline-offset: 2px;
}

.input-footer-text a:hover {
    color: var(--brand-gold);
}

/* ---------- 响应式 ---------- */
@media (max-width: 480px) {
    .input-title {
        font-size: 1.8rem;
    }
    .input-section {
        padding: var(--space-sm) 0 var(--space-xl);
    }
    .progress-line {
        width: 32px;
    }
    .btn-generate {
        font-size: 0.95rem;
        padding: 16px 24px;
    }
}

/* ============================================================
   滚轮日期选择器样式 (WheelPicker)
   ============================================================ */

/* 日期触发器 */
.date-trigger {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    padding: 18px 0 8px 0;
    border: none;
    border-bottom: 2px solid var(--border-color);
    background: transparent;
    font-size: 1rem;
    font-weight: 500;
    color: var(--brand-dark);
    cursor: pointer;
    font-family: var(--font-family);
    transition: border-color 0.3s ease;
}

.date-trigger:focus {
    outline: none;
    border-bottom-color: var(--brand-gold);
}

.date-trigger-text {
    color: var(--text-primary);
}

.date-trigger-arrow {
    flex-shrink: 0;
    color: var(--text-tertiary);
    transition: transform 0.3s ease;
}

.date-trigger:hover .date-trigger-arrow {
    color: var(--brand-dark);
}

/* 遮罩 */
.picker-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 1000;
}

/* 底部面板 */
.wheel-picker-panel {
    position: fixed;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%) translateY(100%);
    width: 100%;
    max-width: 480px;
    background: var(--bg-card);
    border-radius: 16px 16px 0 0;
    box-shadow: 0 -4px 32px rgba(26, 26, 46, 0.15);
    z-index: 1001;
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.wheel-picker-panel.show {
    transform: translateX(-50%) translateY(0);
}

/* 头部 */
.wheel-picker-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 20px;
    border-bottom: 1px solid var(--border-color);
}

.wheel-picker-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
}

.wheel-picker-btn {
    font-size: 0.95rem;
    font-weight: 500;
    padding: 4px 12px;
    cursor: pointer;
    border: none;
    background: none;
    font-family: var(--font-family);
}

.wheel-picker-btn.cancel {
    color: var(--text-tertiary);
}

.wheel-picker-btn.cancel:hover {
    color: var(--text-secondary);
}

.wheel-picker-btn.confirm {
    color: var(--brand-gold);
    font-weight: 600;
}

.wheel-picker-btn.confirm:hover {
    color: var(--brand-gold-dark);
}

/* 滚轮主体 */
.wheel-picker-body {
    display: flex;
    padding: 8px 16px 32px;
    gap: 4px;
}

.wheel-col-wrapper {
    flex: 1;
    position: relative;
    overflow: hidden;
}

.wheel-col {
    overflow-y: auto;
    scroll-snap-type: y mandatory;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
}

.wheel-col::-webkit-scrollbar {
    display: none;
}

.wheel-highlight {
    position: absolute;
    top: 50%;
    left: 4px;
    right: 4px;
    height: 40px;
    transform: translateY(-50%);
    border-top: 1px solid rgba(232, 184, 125, 0.3);
    border-bottom: 1px solid rgba(232, 184, 125, 0.3);
    background: rgba(232, 184, 125, 0.05);
    border-radius: 4px;
    pointer-events: none;
    z-index: 2;
}

.wheel-item {
    text-align: center;
    font-size: 16px;
    color: var(--text-tertiary);
    scroll-snap-align: center;
    cursor: pointer;
    user-select: none;
    transition: color 0.15s;
    opacity: 0.5;
}

.wheel-item-active {
    color: var(--text-primary);
    font-weight: 600;
    opacity: 1;
}

.wheel-item-empty {
    pointer-events: none;
    visibility: hidden;
}

/* 响应式 */
@media (max-width: 480px) {
    .wheel-picker-panel {
        border-radius: 12px 12px 0 0;
    }
    .wheel-picker-header {
        padding: 12px 16px;
    }
    .wheel-picker-body {
        padding: 4px 8px 24px;
    }
    .wheel-item {
        font-size: 15px;
    }
}