:root {
    --primary: #0ea5e9;
    --primary-hover: #0284c7;
    --accent: #f59e0b;
    --bg-app: #f8fafc;
    --bg-card: #ffffff;
    --text-head: #0f172a;
    --text-body: #334155;
    --text-muted: #64748b;
    --border: #e2e8f0;
    --success: #10b981;
    --error: #ef4444;
    --pending: #f59e0b;
    --radius: 2px;
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Inter', system-ui, sans-serif;
}

h1, h2, h3, .btn {
    font-family: 'Outfit', 'Inter', sans-serif;
}

body {
    background: var(--bg-app);
    color: var(--text-body);
    min-height: 100vh;
}

.app-container {
    display: flex;
    min-height: 100vh;
    animation: fadeIn 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
}

/* Sidebar */
.sidebar {
    width: 260px;
    background: #0f172a;
    color: white;
    padding: 2rem 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 2.5rem;
    flex-shrink: 0;
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 1001;
}

.sidebar.active {
    transform: translateX(0);
}

.sidebar h1 {
    font-size: 1.25rem;
    font-weight: 800;
    color: white;
    letter-spacing: -0.5px;
}

.sidebar h1 span {
    color: var(--primary);
}

.sidebar nav {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.nav-btn {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    background: transparent;
    border: none;
    color: #94a3b8;
    font-weight: 600;
    font-size: 0.875rem;
    border-radius: var(--radius);
    cursor: pointer;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    text-align: left;
}

.nav-btn:hover {
    background: rgba(255, 255, 255, 0.05);
    color: white;
}

.nav-btn.active {
    background: var(--primary);
    color: white;
}

/* Main Content Area */
.main-content {
    flex-grow: 1;
    padding: 2.5rem;
    overflow-y: auto;
    transition: padding 0.3s;
}

header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2.5rem;
}

header h2 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-head);
}

.logo-group {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo-icon {
    background: var(--primary);
    width: 36px;
    height: 36px;
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Buttons */
.btn {
    padding: 10px 20px;
    border-radius: var(--radius);
    font-weight: 700;
    font-size: 0.8125rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    cursor: pointer;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    border: 1px solid transparent;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.btn:active {
    transform: scale(0.96);
}

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

.btn-secondary {
    background: var(--bg-card);
    border-color: var(--border);
    color: var(--text-head);
}

.btn-secondary:hover {
    background: #f8fafc;
    border-color: var(--primary);
    color: var(--primary);
}

/* Summary Cards */
.stats-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.5rem;
    display: flex;
    align-items: center;
    gap: 1.25rem;
    box-shadow: var(--shadow-sm);
    transition: transform 0.2s, box-shadow 0.2s;
}

.card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow);
}

.card-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid transparent;
}

.card.pending .card-icon { background: rgba(217, 119, 6, 0.1); color: var(--pending); }
.card.success .card-icon { background: rgba(37, 99, 235, 0.1); color: var(--primary); }
.card.error .card-icon { background: rgba(220, 38, 38, 0.1); color: var(--error); }

.card-info span {
    font-size: 0.75rem;
    color: var(--text-muted);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.card-info h2 {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--text-head);
}

/* Content Card */
.content-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.content-header {
    padding: 1.25rem 1.5rem;
    background: #ffffff;
    border-bottom: 1px solid var(--border);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.header-left h3 {
    font-size: 1rem;
    font-weight: 700;
    color: var(--text-head);
    margin-bottom: 4px;
}

.update-label { font-size: 0.75rem; color: var(--text-muted); }

.filter-group { display: flex; align-items: center; gap: 12px; }

.status-select {
    background: #f1f5f9;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 8px 12px;
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--text-body);
    outline: none;
    transition: border-color 0.2s;
}

.status-select:focus {
    border-color: var(--primary);
}

.search-box {
    display: flex;
    align-items: center;
    background: #f1f5f9;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 0 12px;
    gap: 8px;
    width: 280px;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.search-box:focus-within {
    border-color: var(--primary);
    box-shadow: 0 0 0 2px rgba(14, 165, 233, 0.1);
}

.search-box input {
    background: transparent;
    border: none;
    padding: 10px 0;
    font-size: 0.8125rem;
    font-weight: 500;
    outline: none;
    width: 100%;
    color: var(--text-head);
}

/* Table */
.table-wrapper { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; }
th {
    background: #f8fafc;
    padding: 12px 1.5rem;
    text-align: left;
    font-size: 0.75rem;
    color: var(--text-muted);
    text-transform: uppercase;
    border-bottom: 1px solid var(--border);
}

td { padding: 12px 1.5rem; border-bottom: 1px solid var(--border); font-size: 0.875rem; }
tr:hover td { background-color: #f8fafc; }

.badge { 
    padding: 4px 8px; 
    border-radius: 2px; 
    font-size: 0.6875rem; 
    font-weight: 800; 
    text-transform: uppercase;
    letter-spacing: 0.5px;
}
.badge-pending { background: #fef3c7; color: #92400e; border: 1px solid #fde68a; }
.badge-enviado { background: #e0f2fe; color: #0369a1; border: 1px solid #bae6fd; }
.badge-erro { background: #fef2f2; color: #991b1b; border: 1px solid #fecaca; }

.phone-col { font-weight: 700; color: var(--primary); font-family: 'JetBrains Mono', 'Consolas', monospace; font-size: 0.8125rem; }
.msg-content-cell { font-family: 'Inter', sans-serif; font-size: 0.8125rem; color: var(--text-body); max-width: 300px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.mono-data { font-family: 'JetBrains Mono', 'Consolas', monospace; font-size: 0.75rem; color: var(--text-muted); }

.pagination {
    padding: 1rem 1.5rem;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 1.5rem;
    border-top: 1px solid var(--border);
}

/* Config Section */
.config-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 1.5rem;
}

.config-form {
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 1rem;
}

.form-group label {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-body);
}

.form-group input {
    padding: 10px 12px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    font-size: 0.875rem;
    background: #ffffff;
    outline: none;
    transition: all 0.2s;
    font-weight: 500;
}

.form-group input:focus { 
    border-color: var(--primary); 
    box-shadow: 0 0 0 2px rgba(14, 165, 233, 0.1);
}

.help-text {
    font-size: 0.75rem;
    color: var(--text-muted);
    line-height: 1.4;
}

/* Custom Toast & Animations */
.toast {
    position: fixed;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%) translateY(100px);
    background: #0f172a;
    color: white;
    padding: 12px 24px;
    border-radius: 8px;
    font-weight: 600;
    transition: transform 0.3s cubic-bezier(0.18, 0.89, 0.32, 1.28);
    z-index: 1000;
}

.toast.show { transform: translateX(-50%) translateY(0); }

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

@media (max-width: 1024px) {
    .config-grid { grid-template-columns: 1fr; }
    .main-content { padding: 1.5rem; }
}

@media (max-width: 768px) {
    .sidebar {
        position: fixed;
        left: 0;
        top: 0;
        bottom: 0;
        transform: translateX(-100%);
        box-shadow: 20px 0 50px rgba(0,0,0,0.5);
    }

    .main-content {
        padding: 1rem;
        padding-top: 5rem;
    }

    header {
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
        margin-bottom: 2rem;
    }

    .top-actions {
        width: 100%;
        justify-content: flex-start;
        flex-wrap: wrap;
    }

    .stats-row {
        grid-template-columns: 1fr;
    }

    .mobile-toggle {
        display: flex !important;
    }

    .search-box {
        width: 100%;
    }

    .form-row {
        grid-template-columns: 1fr;
    }
    
    .modal-content {
        width: 100%;
        height: 100%;
        max-height: 100vh;
        border-radius: 0;
    }

    .modal-body {
        padding: 1.5rem;
    }
}

/* Mobile Toggle Button */
.mobile-toggle {
    display: none;
    position: fixed;
    top: 1.25rem;
    left: 1.25rem;
    z-index: 1002;
    background: #0f172a;
    color: white;
    border: none;
    width: 44px;
    height: 44px;
    border-radius: 8px;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}

.sidebar-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(15, 23, 42, 0.6);
    backdrop-filter: blur(4px);
    z-index: 1000;
    opacity: 0;
    transition: opacity 0.3s;
}

.sidebar-overlay.active {
    display: block;
    opacity: 1;
}

/* Grouped Error Rows */
.grouped-row {
    background: #fef2f2;
}

.grouped-row:hover td {
    background: #fee2e2 !important;
}

.sub-row {
    background: #fffbeb;
    animation: slideIn 0.2s ease-out;
}

.sub-row:hover td {
    background: #fef3c7 !important;
}

.error-count {
    display: inline-block;
    margin-left: 6px;
    background: var(--error);
    color: white;
    padding: 2px 6px;
    border-radius: 10px;
    font-size: 0.7rem;
    font-weight: 700;
}

.expand-btn:hover {
    text-decoration: underline;
}

@keyframes slideIn {
    from { opacity: 0; transform: translateY(-5px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Modal Styles */
/* Modal Premium Styles */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(15, 23, 42, 0.4);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    animation: fadeIn 0.3s ease-out;
}

.modal-content {
    background: rgba(255, 255, 255, 0.95);
    border-radius: 20px;
    width: 95%;
    max-width: 650px;
    max-height: 90vh;
    overflow: hidden;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    border: 1px solid rgba(255, 255, 255, 0.3);
    animation: modalPop 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
    display: flex;
    flex-direction: column;
}

@keyframes modalPop {
    from { opacity: 0; transform: scale(0.9) translateY(20px); }
    to { opacity: 1; transform: scale(1) translateY(0); }
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 2rem;
    background: #ffffff;
    border-bottom: 2px solid var(--border);
}

.modal-header h3 {
    margin: 0;
    font-size: 1.25rem;
    font-weight: 800;
    color: var(--text-head);
    display: flex;
    align-items: center;
    gap: 12px;
}

.modal-close {
    background: #f1f5f9;
    border: none;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    color: var(--text-muted);
    transition: all 0.2s;
    font-size: 1.2rem;
}

.modal-close:hover {
    background: #fee2e2;
    color: var(--error);
    transform: rotate(90deg);
}

.modal-body {
    padding: 2rem;
    overflow-y: auto;
    flex-grow: 1;
}

.form-group label {
    margin-bottom: 8px;
    font-size: 0.825rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-muted);
}

.form-group input, 
.form-group select, 
.form-group textarea {
    background: #fff;
    border: 1.5px solid var(--border);
    padding: 12px 16px;
    border-radius: 12px;
    font-size: 0.95rem;
    transition: all 0.2s;
    width: 100%;
}

.form-group input:focus, 
.form-group select:focus, 
.form-group textarea:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.1);
    outline: none;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
    width: 100%;
}

.log-info {
    margin-bottom: 1.5rem;
}

.log-info p {
    margin: 0.5rem 0;
    font-size: 0.9rem;
    color: var(--text-body);
}

.log-content {
    background: #1e293b;
    border-radius: 8px;
    padding: 1rem;
}

.log-content p {
    margin: 0 0 0.5rem 0;
    font-size: 0.8rem;
    color: #94a3b8;
}

.log-content pre {
    margin: 0;
    font-family: 'Consolas', 'Monaco', monospace;
    font-size: 0.85rem;
    color: #e2e8f0;
    white-space: pre-wrap;
    word-break: break-all;
    line-height: 1.5;
}

.view-details-btn {
    color: var(--primary);
    cursor: pointer;
    font-weight: 500;
    transition: color 0.2s;
}

.view-details-btn:hover {
    color: var(--primary-hover);
    text-decoration: underline;
}

/* Log entries in modal */
.log-entry {
    background: #0f172a;
    border-radius: 6px;
    padding: 0.75rem 1rem;
    margin-bottom: 0.75rem;
}

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

.log-entry-header {
    display: flex;
    justify-content: space-between;
    margin-bottom: 0.5rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid #334155;
}

.log-number {
    font-weight: 700;
    color: #60a5fa;
}

.log-date {
    color: #94a3b8;
    font-size: 0.8rem;
}

.log-entry pre {
    margin: 0;
    font-family: 'Consolas', 'Monaco', monospace;
    font-size: 0.8rem;
    color: #e2e8f0;
    white-space: pre-wrap;
    word-break: break-all;
}
/* Logs Table */
.logs-table td { padding: 10px 1.5rem; }
.level-info { color: var(--primary); font-weight: 700; }
.level-warn { color: var(--pending); font-weight: 700; }
.level-error { color: var(--error); font-weight: 700; }

.dashboard-charts canvas {
    max-width: 100%;
}