/* /home/david/gemini/Luca/ContactSeller/public/assets/css/style.css */
:root {
    --bg-main: #0f172a;
    --bg-card: rgba(30, 41, 59, 0.7);
    --bg-card-solid: #1e293b;
    --bg-sidebar: #0b1120;
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --primary: #38bdf8;
    --primary-hover: #0ea5e9;
    --accent: #8b5cf6;
    --danger: #ef4444;
    --success: #22c55e;
    --border: #334155;
    --border-light: rgba(255, 255, 255, 0.1);
}

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

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-main);
    color: var(--text-primary);
    line-height: 1.5;
    min-height: 100vh;
}

/* === Login Page Utilities === */
.login-body {
    display: flex;
    align-items: center;
    justify-content: center;
    background: radial-gradient(circle at top right, #1e1b4b, var(--bg-main));
}

.login-container {
    width: 100%;
    max-width: 400px;
    padding: 2rem;
}

.login-box {
    background: var(--bg-card);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--border-light);
    border-radius: 16px;
    padding: 2.5rem;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
    animation: fadeIn 0.5s ease-out;
}

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

.login-title {
    font-size: 2rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 0.5rem;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.login-subtitle {
    text-align: center;
    color: var(--text-secondary);
    margin-bottom: 2rem;
}

/* === General UI === */
a {
    color: var(--primary);
    text-decoration: none;
    transition: color 0.2s;
}

a:hover {
    color: var(--primary-hover);
}

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

label {
    display: block;
    margin-bottom: 0.5rem;
    font-size: 0.875rem;
    color: var(--text-secondary);
}

input, select, textarea {
    width: 100%;
    padding: 0.75rem 1rem;
    border-radius: 8px;
    border: 1px solid var(--border);
    background-color: rgba(15, 23, 42, 0.5);
    color: var(--text-primary);
    font-family: inherit;
    font-size: 1rem;
    transition: all 0.2s;
}

input:focus, select:focus, textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(56, 189, 248, 0.2);
}

.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    text-align: center;
    border: none;
    transition: all 0.2s;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), #0284c7);
    color: #fff;
    box-shadow: 0 4px 14px rgba(2, 132, 199, 0.4);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(2, 132, 199, 0.6);
}

.btn-block {
    display: block;
    width: 100%;
}

.alert {
    padding: 1rem;
    border-radius: 8px;
    margin-bottom: 1.5rem;
}

.alert-error {
    background-color: rgba(239, 68, 68, 0.1);
    border: 1px solid var(--danger);
    color: #fca5a5;
}

/* === Dashboard Layout === */
.app-container {
    display: flex;
    min-height: 100vh;
}

.sidebar {
    width: 260px;
    background-color: var(--bg-sidebar);
    border-right: 1px solid var(--border);
    display: flex;
    flex-direction: column;
}

.sidebar-header {
    padding: 1.5rem;
    border-bottom: 1px solid var(--border);
}

.sidebar-title {
    font-size: 1.25rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.sidebar-nav {
    flex: 1;
    padding: 1.5rem 0;
}

.nav-item {
    padding: 0.75rem 1.5rem;
    display: flex;
    align-items: center;
    color: var(--text-secondary);
    transition: all 0.2s;
}

.nav-item:hover, .nav-item.active {
    background-color: rgba(56, 189, 248, 0.1);
    color: var(--primary);
    border-right: 3px solid var(--primary);
}

.nav-icon {
    width: 20px;
    margin-right: 12px;
}

.main-content {
    flex: 1;
    display: flex;
    flex-direction: column;
}

.topbar {
    height: 70px;
    background-color: var(--bg-card-solid);
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: flex-end;
    padding: 0 2rem;
}

.user-info {
    display: flex;
    align-items: center;
    gap: 15px;
}

.content-area {
    padding: 2rem;
    flex: 1;
    overflow-y: auto;
}

.page-title {
    font-size: 1.75rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
}

.card {
    background: var(--bg-card-solid);
    border-radius: 12px;
    border: 1px solid var(--border);
    padding: 1.5rem;
    margin-bottom: 1.5rem;
}

/* DataTables Overrides Dark Mode */
.dataTables_wrapper {
    color: var(--text-primary) !important;
}
table.dataTable tbody tr {
    background-color: transparent !important;
}
table.dataTable.display tbody tr.odd > .sorting_1, table.dataTable.order-column.stripe tbody tr.odd > .sorting_1 {
    background-color: rgba(255, 255, 255, 0.05) !important;
}
table.dataTable.display tbody tr.even > .sorting_1, table.dataTable.order-column.stripe tbody tr.even > .sorting_1 {
    background-color: transparent !important;
}
table.dataTable.hover tbody tr:hover, table.dataTable.display tbody tr:hover {
    background-color: rgba(56, 189, 248, 0.1) !important;
}
.dataTables_length select, .dataTables_filter input {
    background-color: var(--bg-main) !important;
    border: 1px solid var(--border) !important;
    color: var(--text-primary) !important;
    border-radius: 4px;
    padding: 4px 8px;
}
table.dataTable thead th, table.dataTable thead td {
    border-bottom: 1px solid var(--border) !important;
}
table.dataTable.no-footer {
    border-bottom: 1px solid var(--border) !important;
}
.dataTables_wrapper .dataTables_paginate .paginate_button {
    color: var(--text-secondary) !important;
}
.dataTables_wrapper .dataTables_paginate .paginate_button.current, .dataTables_wrapper .dataTables_paginate .paginate_button.current:hover {
    background: var(--primary) !important;
    color: #fff !important;
    border: 1px solid var(--primary) !important;
}