@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@400;600;800&family=Noto+Sans+SC:wght@400;700;900&display=swap');

:root {
    --primary: #FF512F;
    --primary-dark: #DD2476;
    --bg-dark: #0B0F19;
    --text-main: #FFFFFF;
    --text-muted: #94A3B8;
    --glass-bg: rgba(255, 255, 255, 0.03);
    --glass-border: rgba(255, 255, 255, 0.08);
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: 'Outfit', 'Noto Sans SC', sans-serif;
    background-color: var(--bg-dark);
    color: var(--text-main);
    display: flex;
    justify-content: center;
    min-height: 100vh;
    background: radial-gradient(circle at 15% 50%, rgba(255, 81, 47, 0.15), transparent 25%),
                radial-gradient(circle at 85% 30%, rgba(221, 36, 118, 0.15), transparent 25%);
    background-color: var(--bg-dark);
}

.app-container {
    width: 100%;
    max-width: 480px;
    min-height: 100vh;
    padding: 2.5rem 1.5rem;
    display: flex;
    flex-direction: column;
    position: relative;
    overflow: hidden;
}

.step {
    display: none;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    flex: 1;
    animation: slideUpFade 0.6s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.step.active {
    display: flex;
}

@keyframes slideUpFade {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Typography */
.main-title {
    font-size: 1.8rem;
    font-weight: 900;
    text-align: center;
    line-height: 1.5;
    margin-bottom: 2.5rem;
    letter-spacing: 0.5px;
}

.highlight {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    font-size: 2.4rem;
    display: block;
    margin-top: 0.8rem;
}

.sub-title {
    font-size: 1.6rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
    text-align: center;
    background: linear-gradient(135deg, #FFF, #AAA);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* Model Selection */
.model-selection {
    width: 100%;
    margin-bottom: 1.5rem;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 1rem;
    font-size: 1.1rem;
}

#model-select {
    padding: 0.6rem 1rem;
    border-radius: 12px;
    background: var(--glass-bg);
    color: var(--text-main);
    border: 1px solid var(--glass-border);
    outline: none;
    cursor: pointer;
    font-family: inherit;
    font-size: 1rem;
}

#model-select option {
    background: var(--bg-dark);
    color: var(--text-main);
}

/* Upload Box */
.upload-container {
    width: 65%;
    margin: 0 auto;
    aspect-ratio: 1/1;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: 0 20px 40px rgba(0,0,0,0.4), inset 0 1px 0 rgba(255,255,255,0.1);
}

.upload-container:hover {
    transform: translateY(-5px);
    box-shadow: 0 25px 50px rgba(255, 81, 47, 0.15), inset 0 1px 0 rgba(255,255,255,0.1);
    border-color: rgba(255, 81, 47, 0.3);
}

.upload-container:active {
    transform: scale(0.97);
}

.upload-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.5rem;
}

.upload-icon-wrapper {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: linear-gradient(135deg, rgba(255,81,47,0.1), rgba(221,36,118,0.1));
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid rgba(255, 81, 47, 0.2);
}

.upload-icon {
    width: 40px;
    height: 40px;
    stroke: url(#icon-gradient);
    stroke-width: 2;
}

.upload-text {
    font-size: 1.1rem;
    color: var(--text-muted);
    font-weight: 600;
}

/* Preview Box (Confirm Step) */
.preview-container {
    width: 100%;
    aspect-ratio: 3/4;
    border-radius: 24px;
    overflow: hidden;
    margin-bottom: 2rem;
    box-shadow: 0 20px 50px rgba(0,0,0,0.5);
    border: 1px solid var(--glass-border);
    background: #000;
    display: flex;
    align-items: center;
    justify-content: center;
}

#image-preview {
    width: 100%;
    height: 100%;
    object-fit: contain; /* 保证照片完整显示 */
    background: var(--glass-bg);
}

.button-group {
    display: flex;
    gap: 1rem;
    width: 100%;
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-main);
    border: 1px solid var(--glass-border);
    padding: 1.2rem;
    flex: 1;
    border-radius: 16px;
    font-size: 1.1rem;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.2);
}

.btn-secondary:active {
    transform: scale(0.97);
}

/* Waiting Box */
.video-placeholder-container {
    width: 100%;
    aspect-ratio: 9/16;
    border-radius: 24px;
    overflow: hidden;
    margin-bottom: 2rem;
    box-shadow: 0 20px 50px rgba(0,0,0,0.5);
    border: 1px solid var(--glass-border);
    position: relative;
}

.flicker-box {
    width: 100%;
    height: 100%;
    background: linear-gradient(110deg, #1e293b 8%, #334155 18%, #1e293b 33%);
    background-size: 200% 100%;
    animation: shimmer 1.5s linear infinite;
}

.flicker-overlay {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(11, 15, 25, 0.6);
    backdrop-filter: blur(5px);
}

.loader {
    width: 48px;
    height: 48px;
    border: 3px solid rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    border-top-color: var(--primary);
    animation: spin 1s ease-in-out infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

@keyframes shimmer {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

/* Copy Section */
.copy-section {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    padding: 1.2rem;
    width: 100%;
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    backdrop-filter: blur(10px);
}

.copy-text {
    font-size: 1rem;
    font-weight: 600;
    color: #E2E8F0;
    flex: 1;
}

.hashtag {
    color: var(--primary);
}

.btn-copy {
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-main);
    border: none;
    padding: 0.6rem 1rem;
    border-radius: 12px;
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    white-space: nowrap;
    margin-left: 1rem;
}

.btn-copy:hover {
    background: rgba(255, 255, 255, 0.2);
}

.btn-copy:active {
    transform: scale(0.95);
}

/* Result Box */
.video-container {
    width: 100%;
    aspect-ratio: 9/16;
    border-radius: 24px;
    overflow: hidden;
    margin-bottom: 2.5rem;
    box-shadow: 0 20px 50px rgba(0,0,0,0.6);
    border: 1px solid var(--glass-border);
    background: #000;
}

video {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: white;
    border: none;
    padding: 1.2rem 2rem;
    width: 100%;
    border-radius: 16px;
    font-size: 1.1rem;
    font-weight: 800;
    cursor: pointer;
    box-shadow: 0 10px 25px rgba(255, 81, 47, 0.4);
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    letter-spacing: 1px;
}

.btn-primary:hover {
    box-shadow: 0 15px 35px rgba(255, 81, 47, 0.5);
    transform: translateY(-2px);
}

.btn-primary:active {
    transform: translateY(2px);
    box-shadow: 0 5px 15px rgba(255, 81, 47, 0.4);
}

/* ==== 新增等待与查询样式 ==== */

.header-actions {
    display: flex;
    justify-content: flex-end;
    width: 100%;
    margin-bottom: 1.5rem;
    z-index: 10;
}

.btn-query {
    background: rgba(255, 255, 255, 0.15);
    border: 1px solid rgba(255, 255, 255, 0.3);
    color: #fff;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.9rem;
    cursor: pointer;
    backdrop-filter: blur(10px);
}

.form-group {
    width: 100%;
    margin-bottom: 1.5rem;
}

#user-phone, #query-phone {
    width: 100%;
    padding: 1rem;
    border-radius: 12px;
    background: rgba(0,0,0,0.3);
    border: 1px solid var(--glass-border);
    color: var(--text-main);
    font-size: 1.1rem;
    outline: none;
    text-align: center;
}

.timer-box {
    text-align: center;
    margin-bottom: 1.5rem;
}

.timer-text {
    font-size: 3rem;
    font-weight: 900;
    font-variant-numeric: tabular-nums;
    color: var(--primary-color);
    text-shadow: 0 0 20px rgba(230, 57, 70, 0.5);
    margin-bottom: 0.5rem;
}

.timer-hint {
    color: var(--text-muted);
    font-size: 0.95rem;
}

/* 弹窗样式 */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.8);
    backdrop-filter: blur(5px);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 100;
    opacity: 0;
    transition: opacity 0.3s;
}

.modal-overlay.active {
    display: flex;
    opacity: 1;
}

.modal-content {
    background: var(--bg-dark);
    padding: 2rem;
    border-radius: 24px;
    width: 90%;
    max-width: 400px;
    border: 1px solid var(--glass-border);
    box-shadow: 0 20px 50px rgba(0,0,0,0.5);
    text-align: center;
}

.modal-content h3 {
    margin-bottom: 1.5rem;
    font-size: 1.3rem;
}

.query-error {
    color: #ff4d4f;
    font-size: 0.9rem;
    margin: 0.5rem 0 1rem;
    min-height: 1.2rem;
}

.copy-box {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    padding: 1.2rem;
    width: 100%;
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    backdrop-filter: blur(10px);
}

.video-result-container {
    width: 100%;
    aspect-ratio: 9/16;
    border-radius: 24px;
    overflow: hidden;
    margin-bottom: 2.5rem;
    box-shadow: 0 20px 50px rgba(0,0,0,0.6);
    border: 1px solid var(--glass-border);
    background: #000;
}

.btn-download {
    text-align: center;
    text-decoration: none;
    display: flex;
    justify-content: center;
    align-items: center;
}

/* 历史记录列表样式 */
.history-list {
    list-style: none;
    margin: 1rem 0;
    max-height: 250px;
    overflow-y: auto;
    text-align: left;
}

.history-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.8rem;
    background: rgba(255,255,255,0.05);
    border-radius: 12px;
    margin-bottom: 0.5rem;
    border: 1px solid rgba(255,255,255,0.1);
}

.history-info {
    display: flex;
    flex-direction: column;
    gap: 0.3rem;
}

.history-time {
    font-size: 0.85rem;
    color: var(--text-muted);
}

.history-status {
    font-size: 0.9rem;
    font-weight: bold;
}
.status-success { color: #4ade80; }
.status-processing { color: #facc15; }
.status-error { color: #f87171; }

.btn-view-video {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: white;
    border: none;
    padding: 0.4rem 0.8rem;
    border-radius: 8px;
    font-size: 0.85rem;
    font-weight: bold;
    cursor: pointer;
    box-shadow: 0 4px 10px rgba(255, 81, 47, 0.3);
}

/* 视频播放弹窗增强 */
#video-modal {
    z-index: 200; /* 高于普通查询弹窗 */
}

.video-modal-content {
    padding: 1.5rem;
    width: 95%;
    max-width: 450px;
}

.video-modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.video-modal-header h3 {
    margin-bottom: 0;
}

.btn-close-video {
    background: transparent;
    border: none;
    color: var(--text-muted);
    font-size: 2rem;
    cursor: pointer;
    line-height: 1;
}
.btn-close-video:hover {
    color: white;
}