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

:root {
    --primary-color: #2563eb;
    --sidebar-bg: #1e293b;
    --sidebar-hover: #334155;
    --bg-color: #f8fafc;
    --text-color: #334155;
    --card-bg: #ffffff;
}

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

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

/* --- Sidebar Styles --- */
.sidebar {
    width: 250px;
    background-color: var(--sidebar-bg);
    color: white;
    display: flex;
    flex-direction: column;
    transition: transform 0.3s ease;
}

.sidebar h2 {
    padding: 20px;
    text-align: center;
    border-bottom: 1px solid var(--sidebar-hover);
    font-size: 1.2rem;
}

.sidebar a {
    padding: 15px 20px;
    text-decoration: none;
    color: #cbd5e1;
    display: block;
    transition: background 0.2s;
}

.sidebar a:hover {
    background-color: var(--sidebar-hover);
    color: white;
}

/* --- Main Content Styles --- */
.main-content {
    flex: 1;
    display: flex;
    flex-direction: column;
}

.header {
    background-color: var(--card-bg);
    padding: 15px 20px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

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

.dashboard-content {
    padding: 20px;
}

/* --- Cards for Dashboard Items --- */
.card-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-top: 20px;
}

.card {
    background-color: var(--card-bg);
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.05);
    border-top: 4px solid var(--primary-color);
}

.card h3 {
    font-size: 1rem;
    color: #64748b;
    margin-bottom: 10px;
}

.card p {
    font-size: 1.5rem;
    font-weight: 600;
}

/* --- Mobile Responsiveness --- */
@media (max-width: 768px) {
    .sidebar {
        position: fixed;
        height: 100%;
        transform: translateX(-100%);
        z-index: 1000;
    }
    
    .sidebar.active {
        transform: translateX(0);
    }

    .menu-toggle {
        display: block;
    }
}

/* --- Login Page Styles --- */
.login-body {
    background-color: var(--sidebar-bg);
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
}
.login-box {
    background: var(--card-bg);
    padding: 40px;
    border-radius: 8px;
    box-shadow: 0 10px 25px rgba(0,0,0,0.5);
    width: 100%;
    max-width: 400px;
    text-align: center;
}
.login-box h2 {
    margin-bottom: 20px;
    color: var(--sidebar-bg);
}
.form-group {
    margin-bottom: 15px;
    text-align: left;
}
.form-group label {
    display: block;
    margin-bottom: 5px;
    font-weight: 600;
}
.form-control {
    width: 100%;
    padding: 10px;
    border: 1px solid #cbd5e1;
    border-radius: 4px;
    font-size: 1rem;
}
.btn {
    background-color: var(--primary-color);
    color: white;
    border: none;
    padding: 10px 20px;
    border-radius: 4px;
    cursor: pointer;
    font-size: 1rem;
    width: 100%;
    transition: background 0.3s;
}
.btn:hover {
    background-color: #1d4ed8;
}
.error-msg {
    color: #ef4444;
    margin-bottom: 15px;
    font-size: 0.9rem;
    background: #fee2e2;
    padding: 10px;
    border-radius: 4px;
}

/* --- Table Styles (For Suppliers/Reports) --- */
.table-container {
    background: var(--card-bg);
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
    overflow-x: auto;
}
table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 15px;
}
table th, table td {
    padding: 12px;
    text-align: left;
    border-bottom: 1px solid #e2e8f0;
}
table th {
    background-color: #f1f5f9;
    color: var(--sidebar-bg);
}
.btn-small {
    width: auto;
    padding: 5px 10px;
    font-size: 0.8rem;
}