/* sends.css - Standalone styles for sends.php */

/* 1. VARIABLES & RESET */
:root {
    --primary: #ff6b35;
    --primary-light: #ff8c61;
    --primary-dark: #e55a2b;
    --secondary: #1e3a8a; /* Using a darker blue for secondary elements */
    --secondary-light: #3b82f6; /* A lighter blue for accents */
    --text-primary: #1e293b;
    --text-secondary: #64748b;
    --text-light: #94a3b8;
    --bg-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --bg-card: #ffffff;
    --bg-main: #f1f5f9; /* Light grey background */
    --border-color: #e2e8f0;
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
    --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.1);
}

* {
    box-sizing: border-box;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    color: var(--text-primary);
    background: var(--bg-gradient);
    margin: 0;
    padding: 20px;
    display: flex;
    justify-content: center;
    align-items: flex-start;
    min-height: 100vh;
    position: relative;
    overflow-x: hidden;
}

/* 背景装饰元素 */
.background-decorations {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: -1;
}

.bg-circle {
    position: absolute;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.05);
}

.bg-circle:nth-child(1) {
    width: 300px;
    height: 300px;
    top: -150px;
    left: -150px;
}

.bg-circle:nth-child(2) {
    width: 200px;
    height: 200px;
    bottom: -100px;
    right: -100px;
}


/* 2. LAYOUT & CONTAINERS */
.converter-container { /* Re-using name for consistency */
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(20px);
    border-radius: var(--radius-lg);
    padding: 28px;
    box-shadow: var(--shadow-md);
    width: 100%;
    max-width: 600px;
    margin: 0 auto;
    border: 1px solid rgba(255, 255, 255, 0.2);
    position: relative;
}

.report-header {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 24px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--border-color);
}

.home-link-button {
    width: 40px;
    height: 40px;
    background: rgba(255, 107, 53, 0.1); /* Light primary color background */
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    color: var(--primary);
    font-size: 16px;
    transition: all 0.2s ease-out;
    flex-shrink: 0;
    -webkit-tap-highlight-color: transparent;
}

.home-link-button:hover {
    background: var(--primary);
    color: #fff;
    box-shadow: 0 2px 8px rgba(255, 107, 53, 0.3);
}

.home-link-button:active {
    transform: scale(0.95);
}

.report-header h1 {
    font-size: 24px;
    font-weight: 700;
    margin: 0;
    flex-grow: 1;
    text-align: center;
    padding-right: 56px; /* 40px button + 16px gap to keep it centered */
}

.card-body {
    padding-top: 16px;
}

/* 3. FORMS */
.form-group {
    margin-bottom: 20px;
}

label {
    display: block;
    font-weight: 600;
    margin-bottom: 8px;
    font-size: 14px;
    color: var(--text-secondary);
}

label i {
    margin-right: 6px;
    color: var(--text-light);
}

.input-group {
    display: flex;
    gap: 8px;
}

.form-control {
    display: block;
    width: 100%;
    padding: 10px 14px;
    font-size: 16px;
    line-height: 1.5;
    color: var(--text-primary);
    background-color: #fff;
    background-clip: padding-box;
    border: 1px solid #ced4da;
    border-radius: var(--radius-md);
    transition: border-color .15s ease-in-out, box-shadow .15s ease-in-out;
}

.form-control:focus {
    color: var(--text-primary);
    background-color: #fff;
    border-color: var(--primary-light);
    outline: 0;
    box-shadow: 0 0 0 3px rgba(255, 107, 53, 0.2);
}

.input-group .form-control {
    flex: 1 1 auto;
    width: 1%;
    min-width: 0;
}

textarea.form-control {
    min-height: 100px;
    resize: vertical;
}

.help-text {
    font-size: 12px;
    color: var(--text-light);
    margin-top: 8px;
}

.checkbox-wrapper {
    display: flex;
    align-items: center;
    margin-top: 10px;
}

.checkbox-wrapper input[type="checkbox"] {
    margin-right: 8px;
    width: 16px;
    height: 16px;
    accent-color: var(--primary);
}

.checkbox-wrapper label {
    margin-bottom: 0;
    font-weight: 500;
    color: var(--text-secondary);
}

/* 4. BUTTONS */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-weight: 600;
    text-align: center;
    vertical-align: middle;
    cursor: pointer;
    user-select: none;
    background-color: transparent;
    border: 1px solid transparent;
    padding: 10px 18px;
    font-size: 16px;
    border-radius: var(--radius-md);
    transition: all 0.2s ease;
}

.btn:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow-sm);
}

.btn-primary {
    color: #fff;
    background-color: var(--primary);
    border-color: var(--primary);
}

.btn-primary:hover {
    background-color: var(--primary-dark);
    border-color: var(--primary-dark);
}

.btn-secondary {
    color: var(--text-primary);
    background-color: #e9ecef;
}

.btn-secondary:hover {
    background-color: #dee2e6;
}

.btn-submit {
    width: 100%;
    padding: 14px;
    font-size: 18px;
}

.btn-tag {
    background-color: var(--bg-main);
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
    padding: 8px 12px;
    font-size: 14px;
}

.btn-bank {
    background-color: #e0e7ff; /* A light indigo background */
    color: #3730a3; /* A deep indigo text */
    border: 1px solid #c7d2fe; /* A slightly darker border */
    padding: 8px 12px;
    font-size: 14px;
    font-weight: 700;
}

.btn-tag:hover {
    background-color: var(--primary);
    color: #fff;
    border-color: var(--primary);
}

.btn-bank:hover {
    background-color: var(--secondary);
    color: #fff;
    border-color: var(--secondary);
}

.bank-buttons-group {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 10px;
}

#last-submission-btn {
    background-color: #e0e7ff; /* Light indigo background from btn-bank */
    color: #3730a3; /* Deep indigo text from btn-bank */
    border-color: #c7d2fe; /* Slightly darker border from btn-bank */
}

#last-submission-btn:hover {
    background-color: var(--secondary); /* Dark blue from btn-bank:hover */
    color: #fff;
    border-color: var(--secondary);
}

#fetch-rate-btn {
    background-color: rgba(255, 107, 53, 0.1);
    color: var(--primary-dark);
    border-color: rgba(255, 107, 53, 0.2);
    font-weight: 600;
}

#fetch-rate-btn:hover {
    background-color: rgba(255, 107, 53, 0.2);
    border-color: rgba(255, 107, 53, 0.3);
}

/* 5. DYNAMIC ENTRIES */
.entries-container {
    background-color: var(--bg-main);
    border-radius: var(--radius-md);
    padding: 10px;
    min-height: 50px;
    border: 1px solid var(--border-color);
}

.entry-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background-color: #fff;
    padding: 8px 12px;
    border-radius: var(--radius-sm);
    margin-bottom: 6px;
    box-shadow: 0 1px 2px rgba(0,0,0,0.05);
}

.entry-item:last-child {
    margin-bottom: 0;
}

.remove-btn {
    background: none;
    border: none;
    color: var(--text-light);
    font-size: 20px;
    font-weight: bold;
    line-height: 1;
    padding: 0 4px;
    cursor: pointer;
    transition: color 0.2s;
}

.remove-btn:hover {
    color: #ef4444; /* red-500 */
}

/* 6. NOTIFICATION */
.notification {
    position: fixed;
    top: 20px;
    left: 50%;
    padding: 12px 24px;
    background-color: var(--secondary-light);
    color: white;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
    font-weight: 600;
    z-index: 1050;
    opacity: 0;
    visibility: hidden;
    transform: translate(-50%, -20px);
    transition: opacity 0.3s ease, transform 0.3s ease, visibility 0.3s;
}

.notification.show {
    opacity: 1;
    visibility: visible;
    transform: translate(-50%, 0);
}

/* 7. RESPONSIVE & HELPERS */
@media (max-width: 768px) {
    body {
        padding: 10px;
    }
    .converter-container {
        padding: 16px;
    }
    .mobile-hide {
        display: none !important;
    }
}