@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;600;700&display=swap');

:root {
    --clr-primary: #5563DE;
    --clr-secondary: #74ABE2;
    --clr-accent: #F2C94C;
    --clr-surface: #FFFFFF;
    --clr-text: #2C3E50;
    --gap: 1.5rem;
    --radius: 0.75rem;
    --font-base: 'Inter', sans-serif;
    --fw-regular: 400;
    --fw-medium: 600;
    --fw-bold: 700;
    --header-h: 80px;
    --trans: 0.3s ease-in-out;
}


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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-base);
    font-weight: var(--fw-regular);
    line-height: 1.6;
    background: linear-gradient(135deg, var(--clr-secondary), var(--clr-primary));
    color: var(--clr-text);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

header {
    position: sticky;
    top: 0;
    height: var(--header-h);
    background: rgba(255,255,255,0.8);
    backdrop-filter: blur(12px);
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
    z-index: 100;
}

    header .container {
        height: 100%;
        display: flex;
        align-items: center;
        justify-content: space-between;
        width: 100%;
        max-width: 1200px;
        margin: 0 auto;
        padding: 0 var(--gap);
    }


.brand {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    flex-shrink: 0;
}

    .brand .logo {
        height: 40px;
        width: auto;
        display: block;
    }

header h1 {
    font-size: 1.75rem;
    font-weight: var(--fw-bold);
    color: var(--clr-primary);
    white-space: nowrap;
}


nav.menu {
    display: flex;
    flex-wrap: nowrap;
    gap: 1rem;
    overflow-x: auto;
    overflow-y: hidden;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: auto;
}

    nav.menu::-webkit-scrollbar {
        height: 6px; 
    }

    nav.menu::-webkit-scrollbar-thumb {
        background: rgba(0,0,0,0.2);
        border-radius: 3px;
    }

    nav.menu::-webkit-scrollbar-track {
        background: transparent;
    }

    nav.menu a {
        padding: 0.5rem 1rem;
        white-space: nowrap;
        border-radius: var(--radius);
        text-decoration: none;
        color: var(--clr-text);
        transition: var(--trans);
    }

        nav.menu a:hover {
            background: var(--clr-secondary);
            color: #fff;
        }


.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--gap);
}


main.page {
    flex: 1;
    padding-top: var(--gap);
}

.card {
    background: var(--clr-surface);
    padding: calc(var(--gap)*2);
    border-radius: var(--radius);
    box-shadow: 0 6px 18px rgba(0,0,0,0.1);
    width: 100%;
    max-width: 600px;
    margin: 0 auto;
}


h1, h2, h3, h4 {
    color: var(--clr-primary);
    font-weight: var(--fw-bold);
    margin-bottom: var(--gap);
}

h1 {
    font-size: 2.25rem;
}

h2 {
    font-size: 1.75rem;
}

h3 {
    font-size: 1.5rem;
}

h4 {
    font-size: 1.25rem;
}


form {
    display: flex;
    flex-direction: column;
}

.form-group {
    margin-bottom: var(--gap);
}

    .form-group label {
        display: block;
        font-weight: var(--fw-medium);
        margin-bottom: 0.5rem;
    }

    .form-group input,
    .form-group select,
    .form-group textarea {
        width: 100%;
        padding: 0.75rem 1rem;
        border: 2px solid #ddd;
        border-radius: var(--radius);
        transition: var(--trans);
    }

        .form-group input:focus,
        .form-group select:focus,
        .form-group textarea:focus {
            border-color: var(--clr-primary);
            outline: none;
            box-shadow: 0 0 0 4px rgba(85,99,222,0.2);
        }


.items-table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: var(--gap);
}

    .items-table th,
    .items-table td {
        padding: 0.5rem;
        border: 1px solid #ddd;
        text-align: left;
    }

    .items-table input {
        width: 100%;
        border: none;
        background: transparent;
        padding: 0.25rem;
    }


.form-actions {
    display: flex;
    gap: var(--gap);
    justify-content: flex-end;
    margin-top: var(--gap);
}


.btn {
    min-width: 140px;
    padding: 0.75rem 1rem;
    font-size: 1rem;
    font-weight: var(--fw-medium);
    border: none;
    border-radius: var(--radius);
    cursor: pointer;
    transition: var(--trans);
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}

.btn-primary {
    background: linear-gradient(45deg, var(--clr-primary), var(--clr-secondary));
    color: #fff;
}

.btn-secondary {
    background: var(--clr-accent);
    color: var(--clr-text);
}

.btn:hover {
    transform: translateY(-4px);
    box-shadow: 0 6px 20px rgba(0,0,0,0.15);
}


table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
    margin: var(--gap) auto;
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: 0 4px 16px rgba(0,0,0,0.1);
    table-layout: auto;
}

thead {
    background: linear-gradient(90deg, var(--clr-primary), var(--clr-secondary));
    color: #fff;
}

th, td {
    padding: 1rem;
    text-align: left;
    font-size: 0.95rem;
}

tbody tr {
    background: var(--clr-surface);
    transition: background var(--trans);
}

    tbody tr:nth-child(even) {
        background: #f0f4ff;
    }

    tbody tr:hover {
        background: #e8eeff;
    }

table th:last-child,
table td:last-child {
    min-width: 180px;
    text-align: center;
    padding: 1rem;
}

table td:last-child {
    display: flex;
    justify-content: center;
    gap: 0.75rem;
    white-space: nowrap;
}

    table td:last-child .btn {
        margin: 0;
    }

.filter-bar {
    display: flex;
    align-items: center;
    gap: var(--gap);
    margin: var(--gap) auto;
    max-width: 1200px;
}

    .filter-bar label {
        font-weight: var(--fw-medium);
    }

    .filter-bar input[type="text"] {
        flex: 1;
        padding: 0.5rem 1rem;
        border: 2px solid #ddd;
        border-radius: var(--radius);
        transition: var(--trans);
    }

    .filter-bar input:focus {
        border-color: var(--clr-primary);
    }


.reports-grid,
.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px,1fr));
    gap: var(--gap);
    margin: var(--gap) auto;
    max-width: 1200px;
}

    .reports-grid .report-card,
    .dashboard-grid .card {
        background: var(--clr-surface);
        border-radius: var(--radius);
        box-shadow: 0 4px 12px rgba(0,0,0,0.1);
        padding: var(--gap);
        display: flex;
        flex-direction: column;
        justify-content: space-between;
    }

        .reports-grid .report-card h3,
        .dashboard-grid .card h4 {
            margin-bottom: 0.5rem;
            color: var(--clr-primary);
        }

        .reports-grid .report-card p,
        .dashboard-grid .card .stat {
            flex: 1;
            color: var(--clr-text);
        }

    .dashboard-grid .stat {
        font-size: 2.5rem;
        font-weight: var(--fw-bold);
    }


.accordion-item {
    background: var(--clr-surface);
    border-radius: var(--radius);
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
    margin: var(--gap) auto;
    max-width: 1200px;
}

.accordion-header {
    padding: var(--gap);
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
}

    .accordion-header h3 {
        font-weight: var(--fw-medium);
        color: var(--clr-primary);
    }

.accordion-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--trans);
    padding: 0 var(--gap);
}

    .accordion-content.open {
        padding: var(--gap);
        max-height: 200px;
    }


@media (max-width: 768px) {
    header .container {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.5rem;
    }

    nav.menu {
        justify-content: center;
    }

    .card,
    table,
    .filter-bar,
    .reports-grid,
    .dashboard-grid,
    .accordion-item {
        margin: var(--gap) auto;
    }
}

.login-logo {
    text-align: center;
    margin: calc(var(--gap) * 1.5) 0 var(--gap);
}

    .login-logo .logo {
        width: 120px;
        height: auto;
        display: inline-block;
        box-shadow: 0 4px 16px rgba(0,0,0,0.2);
        border-radius: 50%; 
    }

.login-card {
    max-width: 400px;
    padding: var(--gap);
    margin: 0 auto var(--gap);
}