/* ========================================
   Trial Form - Responsive Multi-Device
   ======================================== */

/* Box-sizing 全局设置，防止 padding 导致溢出 */
.iptv-trial-form-container,
.iptv-trial-form-container * {
    box-sizing: border-box;
}

/* Trial Form Container */
.iptv-trial-form-container {
    max-width: 850px;
    margin: 40px auto;
    padding: 0 20px;
    background: transparent;
}

/* Top Notices */
.iptv-trial-notices-top {
    margin-bottom: 30px;
}

.iptv-trial-notice {
    display: flex;
    align-items: flex-start;
    padding: 16px 20px;
    margin-bottom: 16px;
    border-radius: 8px;
    font-size: 15px;
    line-height: 1.6;
    gap: 12px;
    overflow: visible;
    word-break: break-word;
}

.iptv-trial-notice .notice-icon {
    flex-shrink: 0;
    min-width: 20px;
    width: 20px;
    height: 20px;
    margin-top: 2px;
}

.iptv-trial-notice span {
    flex: 1;
    min-width: 0;
}

/* Success Notice - Green with Clock Icon */
.iptv-notice-success {
    background: rgba(34, 197, 94, 0.15);
    border: 1px solid rgba(34, 197, 94, 0.3);
    color: #d4f4dd;
}

.iptv-notice-success .notice-icon {
    color: #22c55e;
}

/* Warning Notice - Yellow/Orange with Triangle Icon */
.iptv-notice-warning {
    background: rgba(251, 191, 36, 0.15);
    border: 1px solid rgba(251, 191, 36, 0.3);
    color: #fef3c7;
}

.iptv-notice-warning .notice-icon {
    color: #fbbf24;
}

/* Info Notice - Blue/Teal with Info Icon */
.iptv-notice-info {
    background: rgba(20, 184, 166, 0.15);
    border: 1px solid rgba(20, 184, 166, 0.3);
    color: #ccfbf1;
}

.iptv-notice-info .notice-icon {
    color: #14b8a6;
}

/* Form */
.iptv-trial-form {
    margin-top: 0;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 10px;
    font-weight: 500;
    color: #d1d5db;
    font-size: 15px;
}

.form-group label .required {
    color: #ef4444;
    margin-left: 2px;
}

.form-group input[type="email"] {
    width: 100%;
    padding: 16px 18px;
    background: rgba(31, 41, 55, 0.8);
    border: 1px solid rgba(75, 85, 99, 0.5);
    border-radius: 8px;
    /* 16px 防止 iOS Safari 自动缩放 */
    font-size: 16px;
    color: #f3f4f6;
    transition: all 0.3s ease;
    box-sizing: border-box;
    /* 移除 iOS 默认圆角 */
    -webkit-appearance: none;
    appearance: none;
}

.form-group input[type="email"]::placeholder {
    color: #6b7280;
}

.form-group input[type="email"]:focus {
    outline: none;
    border-color: #3b82f6;
    background: rgba(31, 41, 55, 0.95);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

/* Submit Button - White with Black Text */
.trial-submit-btn {
    width: 100%;
    padding: 18px 24px;
    background: #ffffff;
    color: #000000;
    border: none;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 700;
    letter-spacing: 0.5px;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    margin-top: 24px;
    /* 触屏优化：最小 44px 点击区域 */
    min-height: 54px;
    /* 移除 iOS 默认样式 */
    -webkit-appearance: none;
    appearance: none;
}

.trial-submit-btn:hover {
    background: #f3f4f6;
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(255, 255, 255, 0.2);
}

.trial-submit-btn:active {
    transform: translateY(0);
}

.trial-submit-btn:disabled {
    background: #4b5563;
    color: #9ca3af;
    cursor: not-allowed;
    transform: none;
}

/* Consent Text */
.trial-consent-text {
    text-align: center;
    margin-top: 12px;
    font-size: 13px;
    color: #9ca3af;
    line-height: 1.5;
}

/* Loading Spinner */
.spinner {
    display: inline-block;
    width: 16px;
    height: 16px;
    border: 2px solid rgba(0, 0, 0, 0.2);
    border-top-color: #000;
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
}

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

/* Result Message */
.trial-result-message {
    margin-top: 20px;
    padding: 14px 16px;
    border-radius: 8px;
    font-size: 14px;
    display: none;
    word-break: break-word;
}

.trial-result-message.show {
    display: block;
}

.trial-result-message.success {
    background: rgba(34, 197, 94, 0.15);
    border: 1px solid rgba(34, 197, 94, 0.3);
    color: #d4f4dd;
}

.trial-result-message.error {
    background: rgba(239, 68, 68, 0.15);
    border: 1px solid rgba(239, 68, 68, 0.3);
    color: #fecaca;
}

/* Bottom Info Card */
.trial-info-card {
    margin-top: 40px;
    padding: 24px;
    background: rgba(17, 24, 39, 0.8);
    border: 1px solid rgba(55, 65, 81, 0.5);
    border-radius: 12px;
}

.info-card-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 16px;
}

.info-card-header .info-icon {
    color: #60a5fa;
    flex-shrink: 0;
}

.info-card-header h3 {
    margin: 0;
    font-size: 17px;
    font-weight: 600;
    color: #f3f4f6;
}

.info-card-content p {
    margin: 0 0 14px 0;
    font-size: 14px;
    line-height: 1.7;
    color: #d1d5db;
}

.info-card-content p:last-child {
    margin-bottom: 0;
}

/* Pro Tip - Inline Single Line */
.info-card-content .pro-tip {
    display: inline;
    line-height: 1.7;
}

.info-card-content .pro-tip .check-icon {
    display: inline-block;
    vertical-align: middle;
    margin-right: 6px;
}

.info-card-content .pro-tip strong:first-of-type {
    color: #4ade80;
}

.info-card-content strong {
    color: #f9fafb;
    font-weight: 600;
}

/* ========================================
   Responsive - Tablet (≤768px)
   ======================================== */
@media (max-width: 768px) {
    .iptv-trial-form-container {
        margin: 24px auto;
        padding: 0 16px;
    }

    .iptv-trial-notices-top {
        margin-bottom: 24px;
    }

    .iptv-trial-notice {
        padding: 14px 16px;
        font-size: 14px;
        gap: 10px;
        border-radius: 8px;
    }

    .form-group input[type="email"] {
        padding: 14px 16px;
        font-size: 16px;
    }

    .trial-submit-btn {
        padding: 16px 20px;
        font-size: 15px;
        margin-top: 20px;
    }

    .trial-info-card {
        margin-top: 30px;
        padding: 20px;
    }

    .info-card-header h3 {
        font-size: 16px;
    }

    .info-card-content p {
        font-size: 13px;
    }
}

/* ========================================
   Responsive - Mobile (≤576px)
   ======================================== */
@media (max-width: 576px) {
    .iptv-trial-form-container {
        margin: 16px auto;
        padding: 0 12px;
    }

    .iptv-trial-notices-top {
        margin-bottom: 20px;
    }

    .iptv-trial-notice {
        padding: 12px 14px;
        font-size: 13px;
        line-height: 1.5;
        gap: 10px;
        border-radius: 6px;
        margin-bottom: 12px;
    }

    .iptv-trial-notice .notice-icon {
        min-width: 18px;
        width: 18px;
        height: 18px;
    }

    .form-group {
        margin-bottom: 16px;
    }

    .form-group label {
        font-size: 14px;
        margin-bottom: 8px;
    }

    .form-group input[type="email"] {
        padding: 14px 14px;
        font-size: 16px;
        border-radius: 6px;
    }

    .trial-submit-btn {
        padding: 16px 16px;
        font-size: 15px;
        margin-top: 16px;
        border-radius: 6px;
        min-height: 50px;
    }

    .trial-consent-text {
        font-size: 12px;
        margin-top: 10px;
    }

    .trial-result-message {
        margin-top: 16px;
        padding: 12px 14px;
        font-size: 13px;
    }

    .trial-info-card {
        margin-top: 24px;
        padding: 16px;
        border-radius: 10px;
    }

    .info-card-header {
        gap: 10px;
        margin-bottom: 12px;
    }

    .info-card-header .info-icon {
        width: 20px;
        height: 20px;
    }

    .info-card-header h3 {
        font-size: 15px;
    }

    .info-card-content p {
        font-size: 13px;
        line-height: 1.6;
        margin: 0 0 10px 0;
    }

    /* Pro Tip 在小屏改为块级换行显示 */
    .info-card-content .pro-tip {
        display: block;
        margin-top: 0;
    }
}

/* ========================================
   Responsive - Small Mobile (≤400px)
   ======================================== */
@media (max-width: 400px) {
    .iptv-trial-form-container {
        margin: 12px auto;
        padding: 0 10px;
    }

    .iptv-trial-notice {
        padding: 10px 12px;
        font-size: 12.5px;
        gap: 8px;
    }

    .iptv-trial-notice .notice-icon {
        min-width: 16px;
        width: 16px;
        height: 16px;
        margin-top: 1px;
    }

    .form-group input[type="email"] {
        padding: 12px 12px;
    }

    .trial-submit-btn {
        padding: 14px 12px;
        font-size: 14px;
        min-height: 48px;
    }

    .trial-info-card {
        padding: 14px;
        border-radius: 8px;
    }

    .info-card-header h3 {
        font-size: 14px;
    }

    .info-card-content p {
        font-size: 12.5px;
    }
}

/* ========================================
   Touch Device Enhancements
   ======================================== */
@media (hover: none) and (pointer: coarse) {

    /* 取消 hover 动画，避免触屏残留状态 */
    .trial-submit-btn:hover {
        transform: none;
        box-shadow: none;
    }

    /* 增加触摸反馈 */
    .trial-submit-btn:active {
        transform: scale(0.98);
        opacity: 0.9;
    }
}