/* Zalo Payslip Sender Design System */
:root {
    --bg-dark: #09090e;
    --bg-card: rgba(22, 22, 35, 0.45);
    --border-glass: rgba(255, 255, 255, 0.08);
    --text-primary: #f3f4f6;
    --text-muted: #9ca3af;
    --primary-color: #6366f1;
    --primary-glow: rgba(99, 102, 241, 0.5);
    --secondary-color: #a855f7;
    --success-color: #10b981;
    --success-glow: rgba(16, 185, 129, 0.2);
    --danger-color: #ef4444;
    --danger-glow: rgba(239, 68, 68, 0.2);
    --warning-color: #f59e0b;
    --font-sans: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    --font-mono: 'Space Grotesk', monospace;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    font-family: var(--font-sans);
}

body {
    background-color: var(--bg-dark);
    color: var(--text-primary);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    overflow-x: hidden;
    position: relative;
}

/* Background glows */
.glow-bg {
    position: fixed;
    top: -10%;
    left: -10%;
    width: 50%;
    height: 50%;
    background: radial-gradient(circle, rgba(99, 102, 241, 0.15) 0%, rgba(0,0,0,0) 70%);
    z-index: -1;
    filter: blur(100px);
    pointer-events: none;
}

.glow-bg-2 {
    position: fixed;
    bottom: -10%;
    right: -10%;
    width: 60%;
    height: 60%;
    background: radial-gradient(circle, rgba(168, 85, 247, 0.12) 0%, rgba(0,0,0,0) 70%);
    z-index: -1;
    filter: blur(120px);
    pointer-events: none;
}

/* Glassmorphism utility */
.glass {
    background: var(--bg-card);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--border-glass);
    border-radius: 16px;
    box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.3);
}

/* Navbar */
.navbar {
    background: rgba(9, 9, 14, 0.7);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-glass);
    position: sticky;
    top: 0;
    z-index: 100;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    text-decoration: none;
    color: var(--text-primary);
    font-family: var(--font-mono);
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: -0.5px;
}

.nav-logo-icon {
    color: var(--primary-color);
    filter: drop-shadow(0 0 8px var(--primary-glow));
}

.nav-logo span span {
    color: var(--primary-color);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.nav-link {
    text-decoration: none;
    color: var(--text-muted);
    font-size: 0.95rem;
    font-weight: 500;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    border-radius: 8px;
}

.nav-link:hover, .nav-link.active {
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.05);
}

.nav-link.active {
    color: var(--primary-color);
    border-bottom: none;
}

.nav-user {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    border-left: 1px solid var(--border-glass);
    padding-left: 1.5rem;
}

.user-badge {
    background: rgba(99, 102, 241, 0.15);
    color: var(--primary-color);
    padding: 0.4rem 0.8rem;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 0.4rem;
    border: 1px solid rgba(99, 102, 241, 0.25);
}

.btn-logout {
    color: var(--text-muted);
    background: transparent;
    border: none;
    font-size: 1.1rem;
    cursor: pointer;
    transition: color 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0.4rem;
    border-radius: 8px;
}

.btn-logout:hover {
    color: var(--danger-color);
    background: rgba(239, 68, 68, 0.1);
}

.nav-toggle {
    display: none;
    background: transparent;
    border: none;
    color: var(--text-primary);
    font-size: 1.5rem;
    cursor: pointer;
}

/* Layouts */
.main-content {
    flex: 1;
    max-width: 1200px;
    width: 100%;
    margin: 0 auto;
    padding: 2rem;
}

.login-layout {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: calc(100vh - 120px);
}

/* Flash Messages */
.flash-messages-container {
    margin-bottom: 1.5rem;
}

.flash-message {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem;
    border-radius: 10px;
    margin-bottom: 0.75rem;
    animation: slideDown 0.3s ease-out;
    transition: all 0.3s ease;
    border: 1px solid transparent;
}

.alert-success {
    background: rgba(16, 185, 129, 0.1);
    border-color: rgba(16, 185, 129, 0.2);
    color: #34d399;
}

.alert-danger {
    background: rgba(239, 68, 68, 0.1);
    border-color: rgba(239, 68, 68, 0.2);
    color: #f87171;
}

.alert-info {
    background: rgba(99, 102, 241, 0.1);
    border-color: rgba(99, 102, 241, 0.2);
    color: #818cf8;
}

.flash-icon {
    font-size: 1.2rem;
}

.flash-text {
    flex: 1;
    font-size: 0.95rem;
}

.flash-close {
    background: transparent;
    border: none;
    color: inherit;
    cursor: pointer;
    font-size: 1rem;
    opacity: 0.7;
}

.flash-close:hover {
    opacity: 1;
}

/* Forms */
.form-group {
    margin-bottom: 1.25rem;
}

.form-group label {
    display: block;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-muted);
    margin-bottom: 0.5rem;
}

.form-group label i {
    margin-right: 0.4rem;
}

.input-wrapper input, .form-control {
    width: 100%;
    padding: 0.75rem 1rem;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-glass);
    border-radius: 8px;
    color: var(--text-primary);
    font-size: 0.95rem;
    outline: none;
    transition: all 0.3s ease;
}

.input-wrapper input:focus, .form-control:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px var(--primary-glow);
}

.form-help {
    display: block;
    margin-top: 0.4rem;
    font-size: 0.8rem;
    color: var(--text-muted);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    border: none;
    text-decoration: none;
}

.btn-primary {
    background: var(--primary-color);
    color: white;
    box-shadow: 0 4px 14px 0 var(--primary-glow);
}

.btn-primary:hover {
    background: #4f46e5;
    box-shadow: 0 6px 20px 0 var(--primary-glow);
    transform: translateY(-1px);
}

.btn-primary:active {
    transform: translateY(1px);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.08);
    color: var(--text-primary);
    border: 1px solid var(--border-glass);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.12);
}

.btn-danger {
    background: rgba(239, 68, 68, 0.2);
    color: var(--danger-color);
    border: 1px solid rgba(239, 68, 68, 0.4);
}

.btn-danger:hover {
    background: var(--danger-color);
    color: white;
    box-shadow: 0 4px 14px 0 var(--danger-glow);
    transform: translateY(-1px);
}

.btn-sm {
    padding: 0.35rem 0.75rem;
    font-size: 0.8rem;
    border-radius: 6px;
}

.btn-block {
    width: 100%;
}

/* Login Card */
.login-wrapper {
    width: 100%;
    max-width: 420px;
    padding: 1rem;
}

.login-card {
    padding: 2.5rem;
}

.login-header {
    text-align: center;
    margin-bottom: 2rem;
}

.logo-circle {
    width: 64px;
    height: 64px;
    background: rgba(99, 102, 241, 0.15);
    border: 1px solid rgba(99, 102, 241, 0.3);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    color: var(--primary-color);
    margin: 0 auto 1rem auto;
    box-shadow: 0 0 16px var(--primary-glow);
}

.login-header h2 {
    font-size: 1.6rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.login-header p {
    font-size: 0.9rem;
    color: var(--text-muted);
}

/* Dashboard Banner */
.header-banner {
    padding: 2rem;
    margin-bottom: 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1.5rem;
}

.banner-info h1 {
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    font-family: var(--font-mono);
}

.banner-info p {
    font-size: 0.95rem;
    color: var(--text-muted);
}

.status-indicator {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(0, 0, 0, 0.2);
    padding: 0.6rem 1rem;
    border-radius: 8px;
    border: 1px solid var(--border-glass);
}

.indicator-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    display: inline-block;
}

.active-green {
    background-color: var(--success-color);
    box-shadow: 0 0 8px var(--success-color);
}

.active-orange {
    background-color: var(--warning-color);
    box-shadow: 0 0 8px var(--warning-color);
}

/* Steps card */
.card-step {
    padding: 2.5rem;
    position: relative;
    margin-bottom: 2rem;
    overflow: hidden;
}

.step-badge {
    position: absolute;
    top: 0;
    left: 0;
    background: var(--primary-color);
    color: white;
    padding: 0.4rem 1.2rem;
    font-size: 0.8rem;
    font-weight: 700;
    border-bottom-right-radius: 16px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.card-step h2 {
    font-size: 1.4rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    margin-top: 0.5rem;
}

.step-desc {
    color: var(--text-muted);
    font-size: 0.95rem;
    margin-bottom: 2rem;
}

/* Dropzone */
.dropzone {
    border: 2px dashed rgba(255, 255, 255, 0.15);
    border-radius: 12px;
    padding: 3rem 2rem;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
    background: rgba(255, 255, 255, 0.02);
}

.dropzone:hover, .dropzone.dragover {
    border-color: var(--primary-color);
    background: rgba(99, 102, 241, 0.05);
}

.dropzone-icon {
    font-size: 3rem;
    color: var(--text-muted);
    margin-bottom: 1.5rem;
    transition: color 0.3s ease;
}

.dropzone:hover .dropzone-icon {
    color: var(--primary-color);
}

.dropzone h3 {
    font-size: 1.15rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.dropzone p {
    font-size: 0.9rem;
    color: var(--text-muted);
}

.dropzone p span {
    color: var(--primary-color);
    text-decoration: underline;
}

.file-info-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(16, 185, 129, 0.15);
    color: var(--success-color);
    border: 1px solid rgba(16, 185, 129, 0.25);
    padding: 0.5rem 1rem;
    border-radius: 30px;
    font-size: 0.9rem;
    font-weight: 600;
    margin-top: 1rem;
    animation: pulse 2s infinite;
}

.action-bar {
    margin-top: 2rem;
    display: flex;
    justify-content: flex-end;
    gap: 1rem;
}

/* Config Grid */
.config-grid {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 2rem;
    margin-bottom: 2rem;
}

@media (max-width: 900px) {
    .config-grid {
        grid-template-columns: 1fr;
    }
}

.config-panel {
    background: rgba(0, 0, 0, 0.25);
    border: 1px solid var(--border-glass);
    border-radius: 12px;
    padding: 1.5rem;
}

.config-panel h3, .preview-panel h3, .live-logs-container h3, .zalo-users-layout h2 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 1.25rem;
    color: var(--text-primary);
    border-bottom: 1px solid var(--border-glass);
    padding-bottom: 0.5rem;
}

.checkbox-group-container {
    max-height: 250px;
    overflow-y: auto;
    border: 1px solid var(--border-glass);
    border-radius: 8px;
    padding: 0.75rem;
    background: rgba(0, 0, 0, 0.15);
}

.checkbox-custom-label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.9rem;
    color: var(--text-primary);
    padding: 0.4rem 0.5rem;
    cursor: pointer;
    border-radius: 4px;
    transition: background 0.2s ease;
}

.checkbox-custom-label:hover {
    background: rgba(255, 255, 255, 0.05);
}

.checkbox-custom-label input {
    accent-color: var(--primary-color);
    width: 16px;
    height: 16px;
}

.preview-panel {
    background: rgba(0, 0, 0, 0.25);
    border: 1px solid var(--border-glass);
    border-radius: 12px;
    padding: 1.5rem;
    overflow: hidden;
}

/* Tables */
.table-responsive {
    width: 100%;
    overflow-x: auto;
}

.preview-table, .logs-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.85rem;
    text-align: left;
}

.preview-table th, .logs-table th {
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-muted);
    font-weight: 600;
    padding: 0.75rem 1rem;
    border-bottom: 1px solid var(--border-glass);
}

.preview-table td, .logs-table td {
    padding: 0.75rem 1rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.04);
    white-space: nowrap;
}

.preview-table tr:hover, .logs-table tr:hover {
    background: rgba(255, 255, 255, 0.02);
}

/* Progress & Stats */
.progress-container {
    background: rgba(0, 0, 0, 0.2);
    border: 1px solid var(--border-glass);
    border-radius: 12px;
    padding: 2rem;
    margin-bottom: 2rem;
}

.progress-info {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    margin-bottom: 0.75rem;
}

.progress-percentage {
    font-family: var(--font-mono);
    font-size: 2.2rem;
    font-weight: 700;
    color: var(--primary-color);
}

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

.progress-bar-wrapper {
    height: 10px;
    background: rgba(255, 255, 255, 0.08);
    border-radius: 5px;
    overflow: hidden;
    margin-bottom: 2rem;
}

.progress-bar-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    box-shadow: 0 0 10px var(--primary-glow);
    transition: width 0.3s ease-out;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

.stat-box {
    padding: 1.25rem 1rem;
    border-radius: 10px;
    text-align: center;
    border: 1px solid var(--border-glass);
}

.stat-box.success {
    background: rgba(16, 185, 129, 0.05);
    border-color: rgba(16, 185, 129, 0.15);
}

.stat-box.failed {
    background: rgba(239, 68, 68, 0.05);
    border-color: rgba(239, 68, 68, 0.15);
}

.stat-box.pending {
    background: rgba(255, 255, 255, 0.03);
    border-color: rgba(255, 255, 255, 0.08);
}

.stat-num {
    font-family: var(--font-mono);
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 0.25rem;
}

.success .stat-num { color: var(--success-color); }
.failed .stat-num { color: var(--danger-color); }
.pending .stat-num { color: var(--text-muted); }

.stat-label {
    font-size: 0.8rem;
    color: var(--text-muted);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Live Logs */
.live-logs-container {
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid var(--border-glass);
    border-radius: 12px;
    padding: 1.5rem;
    margin-bottom: 1rem;
}

.live-log-box {
    height: 250px;
    overflow-y: auto;
    font-family: var(--font-mono);
    font-size: 0.85rem;
    padding: 0.75rem;
    background: #030307;
    border-radius: 6px;
    border: 1px solid rgba(255, 255, 255, 0.04);
}

.log-line {
    padding: 0.3rem 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.02);
    color: #d1d5db;
}

.log-line.success { color: #34d399; }
.log-line.error { color: #f87171; }
.log-line.info { color: #60a5fa; }

.log-time {
    color: #6b7280;
    margin-right: 0.5rem;
}

/* Logs and History page details */
.logs-card {
    padding: 1.5rem;
    margin-bottom: 2rem;
}

.time-stamp {
    font-family: var(--font-mono);
    color: var(--text-muted);
}

.file-cell {
    font-weight: 500;
}

.txt-green {
    color: var(--success-color);
}

.zalo-id-code {
    background: rgba(255, 255, 255, 0.08);
    padding: 0.2rem 0.4rem;
    border-radius: 4px;
    font-family: var(--font-mono);
    color: var(--secondary-color);
}

.badge {
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    padding: 0.3rem 0.6rem;
    border-radius: 6px;
    font-size: 0.75rem;
    font-weight: 600;
}

.badge-success {
    background: rgba(16, 185, 129, 0.15);
    color: var(--success-color);
    border: 1px solid rgba(16, 185, 129, 0.25);
}

.badge-danger {
    background: rgba(239, 68, 68, 0.15);
    color: var(--danger-color);
    border: 1px solid rgba(239, 68, 68, 0.25);
}

.msg-cell {
    cursor: pointer;
}

.msg-content-preview {
    max-width: 250px;
    overflow: hidden;
    text-overflow: ellipsis;
    color: var(--text-muted);
    font-size: 0.8rem;
    transition: color 0.2s ease;
}

.msg-content-preview:hover {
    color: var(--text-primary);
}

/* Modals */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    backdrop-filter: blur(8px);
}

.modal-content {
    max-width: 500px;
    width: 90%;
    padding: 2rem;
    position: relative;
    animation: zoomIn 0.3s ease-out;
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
}

.modal-close {
    background: transparent;
    border: none;
    color: var(--text-muted);
    font-size: 1.5rem;
    cursor: pointer;
    transition: color 0.2s ease;
}

.modal-close:hover {
    color: var(--text-primary);
}

.msg-full-view {
    white-space: pre-wrap;
    background: #030307;
    padding: 1.5rem;
    border-radius: 8px;
    font-size: 0.9rem;
    line-height: 1.6;
    border: 1px solid var(--border-glass);
    max-height: 350px;
    overflow-y: auto;
}

/* Zalo Users Layout */
.zalo-users-layout {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 2rem;
    margin-bottom: 2rem;
}

@media (max-width: 900px) {
    .zalo-users-layout {
        grid-template-columns: 1fr;
    }
}

.users-card, .webhook-tester-card {
    padding: 2rem;
}

.card-desc {
    color: var(--text-muted);
    font-size: 0.85rem;
    margin-bottom: 1rem;
}

.curl-box h4 {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-bottom: 0.4rem;
}

.curl-code {
    background: #030307;
    padding: 1rem;
    border-radius: 6px;
    font-size: 0.8rem;
    line-height: 1.4;
    overflow-x: auto;
    border: 1px solid var(--border-glass);
}

.curl-code code {
    color: #818cf8;
}

/* Footer */
.footer {
    padding: 2rem;
    text-align: center;
    border-top: 1px solid var(--border-glass);
    margin-top: auto;
}

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

/* Animations */
@keyframes slideDown {
    from { transform: translateY(-20px); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

@keyframes zoomIn {
    from { transform: scale(0.95); opacity: 0; }
    to { transform: scale(1); opacity: 1; }
}

@keyframes pulse {
    0% { box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.4); }
    70% { box-shadow: 0 0 0 10px rgba(16, 185, 129, 0); }
    100% { box-shadow: 0 0 0 0 rgba(16, 185, 129, 0); }
}

/* Mobile Nav Styles */
@media (max-width: 768px) {
    .nav-toggle {
        display: block;
    }
    
    .nav-links {
        display: none;
        flex-direction: column;
        width: 100%;
        position: absolute;
        top: 100%;
        left: 0;
        background: rgba(9, 9, 14, 0.95);
        backdrop-filter: blur(12px);
        border-bottom: 1px solid var(--border-glass);
        padding: 1.5rem;
        gap: 1rem;
        box-shadow: 0 10px 20px rgba(0,0,0,0.3);
    }
    
    .nav-links.show {
        display: flex;
    }
    
    .nav-user {
        border-left: none;
        border-top: 1px solid var(--border-glass);
        padding-left: 0;
        padding-top: 1rem;
        width: 100%;
        justify-content: space-between;
    }
}

.mt-3 { margin-top: 1.5rem; }

/* Highlight cho dòng gửi thất bại */
.logs-table tr.log-row-failed td {
    background-color: rgba(239, 68, 68, 0.2) !important;
}
.logs-table tr.log-row-failed:hover td {
    background-color: rgba(239, 68, 68, 0.3) !important;
}