/* style.css - Modern, Responsive Theme */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

:root {
    --primary-color: #0d6efd;
    --primary-hover: #0b5ed7;
    --secondary-color: #6c757d;
    --success-color: #198754;
    --danger-color: #dc3545;
    --warning-color: #ffc107;
    --info-color: #0dcaf0;
    --light-color: #f8f9fa;
    --dark-color: #212529;
    --body-bg: #f0f2f5;
    --card-bg: #ffffff;
    --border-color: #dee2e6;
    --text-color: #495057;
    --text-muted: #6c757d;
    --font-family: 'Inter', sans-serif;
    --box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
    --border-radius: 0.375rem;
}

/* --- General & Reset --- */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--body-bg);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.page-wrapper {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.main-content {
    flex: 1;
    padding: 2rem 0;
}

.container {
    width: 100%;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

a {
    color: var(--primary-color);
    text-decoration: none;
    transition: color 0.2s ease;
}

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

img {
    max-width: 100%;
    height: auto;
}

.hidden {
    display: none !important;
}

/* --- Header & Navigation --- */
.main-header {
    background-color: var(--card-bg);
    box-shadow: var(--box-shadow);
    padding: 0.75rem 0;
    position: sticky;
    top: 0;
    z-index: 1000;
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

.logo-wrapper {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    text-decoration: none;
    color: var(--dark-color);
}

.logo {
    height: 40px;
    width: auto;
}

.company-name {
    font-size: 1.25rem;
    font-weight: 600;
}

.main-nav .menu-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--dark-color);
}

.main-menu {
    list-style: none;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.main-menu li a {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.6rem 1rem;
    border-radius: var(--border-radius);
    color: var(--text-muted);
    font-weight: 500;
    transition: background-color 0.2s ease, color 0.2s ease;
}

.main-menu li a:hover,
.main-menu li a.active {
    background-color: var(--primary-color);
    color: var(--light-color);
}

.main-menu .dropdown {
    position: relative;
}

.main-menu .dropdown-menu {
    display: none;
    position: absolute;
    top: 100%;
    right: 0;
    background-color: var(--card-bg);
    box-shadow: var(--box-shadow);
    border-radius: var(--border-radius);
    list-style: none;
    padding: 0.5rem 0;
    min-width: 200px;
    z-index: 1001;
}

.main-menu .dropdown.active .dropdown-menu {
    display: block;
}

.main-menu .dropdown-menu li a {
    width: 100%;
    color: var(--text-color);
    border-radius: 0;
}

.main-menu .dropdown-menu li a:hover {
    background-color: var(--body-bg);
    color: var(--dark-color);
}

/* --- Main Content & Cards --- */
h1, h2, h3, h4 {
    color: var(--dark-color);
    margin-bottom: 1.5rem;
    font-weight: 600;
}
h1 { font-size: 2rem; }
h2 { font-size: 1.75rem; }
h3 { font-size: 1.5rem; }

.page-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
    flex-wrap: wrap;
    gap: 1rem;
}

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

.card-header {
    padding: 1rem 1.5rem;
    border-bottom: 1px solid var(--border-color);
    font-size: 1.1rem;
    font-weight: 600;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.card-body {
    padding: 1.5rem;
}

/* --- Forms --- */
.form-card {
    transition: all 0.3s ease-in-out;
}

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

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
}

.form-control {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    font-size: 1rem;
    color: var(--text-color);
    background-color: var(--card-bg);
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.form-control:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(13, 110, 253, 0.25);
    outline: none;
}

textarea.form-control {
    min-height: 120px;
    resize: vertical;
}

.form-check {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.form-check-input {
    width: 1.25em;
    height: 1.25em;
}

.form-actions {
    display: flex;
    gap: 1rem;
    margin-top: 1.5rem;
}

/* --- Buttons --- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.25rem;
    border: 1px solid transparent;
    border-radius: var(--border-radius);
    cursor: pointer;
    font-size: 1rem;
    font-weight: 500;
    transition: all 0.2s ease;
    text-decoration: none;
    white-space: nowrap;
}

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

.btn-secondary { background-color: var(--secondary-color); color: white; }
.btn-secondary:hover { background-color: #5c636a; }

.btn-success { background-color: var(--success-color); color: white; }
.btn-success:hover { background-color: #157347; }

.btn-danger { background-color: var(--danger-color); color: white; }
.btn-danger:hover { background-color: #bb2d3b; }

.btn-sm { padding: 0.375rem 0.75rem; font-size: 0.875rem; }

.btn-icon { padding: 0.5rem; }

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

.data-table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
    color: var(--text-color);
}

.data-table th, .data-table td {
    padding: 1rem 1.5rem;
    border-bottom: 1px solid var(--border-color);
    vertical-align: middle;
}

.data-table thead th {
    font-weight: 600;
    color: var(--dark-color);
    background-color: var(--light-color);
}

.data-table tbody tr:hover {
    background-color: var(--body-bg);
}

.data-table .actions {
    display: flex;
    gap: 0.5rem;
}

/* --- Messages/Alerts --- */
.alert {
    padding: 1rem 1.5rem;
    margin-bottom: 1.5rem;
    border: 1px solid transparent;
    border-radius: var(--border-radius);
}
.alert-success { color: #0f5132; background-color: #d1e7dd; border-color: #badbcc; }
.alert-danger { color: #842029; background-color: #f8d7da; border-color: #f5c2c7; }
.alert-info { color: #055160; background-color: #cff4fc; border-color: #b6effb; }

/* --- Footer --- */
.main-footer {
    background-color: var(--card-bg);
    color: var(--text-muted);
    text-align: center;
    padding: 1.5rem 0;
    margin-top: 2rem;
    border-top: 1px solid var(--border-color);
}

/* --- Responsive Design --- */
@media (max-width: 992px) {
    .main-header .menu-toggle {
        display: block;
    }
    .main-nav .main-menu {
        display: none;
        flex-direction: column;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background-color: var(--card-bg);
        box-shadow: var(--box-shadow);
        padding: 1rem 0;
    }
    .main-nav .main-menu.active {
        display: flex;
    }
    .main-menu li {
        width: 100%;
    }
    .main-menu li a {
        justify-content: flex-start;
        padding: 1rem 1.5rem;
    }
    .main-menu .dropdown-menu {
        position: static;
        box-shadow: none;
        border: none;
        padding-left: 1.5rem;
    }
}

@media (max-width: 768px) {
    h1 { font-size: 1.75rem; }
    h2 { font-size: 1.5rem; }

    .page-header {
        flex-direction: column;
        align-items: flex-start;
    }

    /* Responsive Table */
    .data-table thead {
        display: none;
    }
    .data-table tr {
        display: block;
        margin-bottom: 1rem;
        border: 1px solid var(--border-color);
        border-radius: var(--border-radius);
    }
    .data-table td {
        display: flex;
        justify-content: space-between;
        align-items: center;
        text-align: right;
        padding: 0.75rem 1rem;
    }
    .data-table td::before {
        content: attr(data-label);
        font-weight: 600;
        color: var(--dark-color);
        text-align: left;
        padding-right: 1rem;
    }
    .data-table .actions {
        justify-content: flex-end;
    }
}

/* --- Login Page Specific --- */
.login-wrapper {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    padding: 2rem;
}

.login-box {
    width: 100%;
    max-width: 420px;
}

.login-box .logo-wrapper {
    justify-content: center;
    margin-bottom: 2rem;
}