@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

:root {
    --primary-color: #4f46e5;
    --primary-hover: #4338ca;
    --bg-color: #f3f4f6;
    --card-bg: #ffffff;
    --text-main: #1f2937;
    --text-muted: #6b7280;
    --border-color: #e5e7eb;
    --input-focus: #c7d2fe;
}

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

body {
    background-color: var(--bg-color);
    color: var(--text-main);
    line-height: 1.6;
    padding: 2rem;
}

@media (max-width: 600px) {
    body {
        padding: 1rem 0.5rem; /* Smaller padding on very small screens */
    }
}

.container {
    max-width: 900px;
    margin: 0 auto;
    background: var(--card-bg);
    border-radius: 12px;
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    overflow: hidden;
    width: 100%;
}

.header {
    background: linear-gradient(135deg, var(--primary-color), #3b82f6);
    color: white;
    padding: 2.5rem 1.5rem;
    text-align: center;
}

.header h1 {
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    line-height: 1.2;
}

@media (max-width: 600px) {
    .header h1 {
        font-size: 1.5rem;
    }
}

.header p {
    font-weight: 300;
    opacity: 0.9;
}

form {
    padding: 2.5rem 2rem;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

@media (max-width: 600px) {
    form {
        padding: 1.5rem 1rem;
        gap: 1.25rem;
    }
}

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

.form-group.full-width {
    grid-column: 1 / -1;
}

label {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-main);
    margin-bottom: 0.5rem;
}

input[type="text"],
input[type="number"],
input[type="date"],
input[type="email"],
input[type="password"],
select,
textarea {
    padding: 0.875rem 1rem; /* Larger padding for easier touch on mobile */
    border: 1px solid var(--border-color);
    border-radius: 8px;
    font-size: 1rem; /* Ensure 16px min size to prevent iOS zoom */
    transition: all 0.3s ease;
    background-color: #f9fafb;
    width: 100%;
}

input:focus,
select:focus,
textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    background-color: #fff;
    box-shadow: 0 0 0 4px var(--input-focus);
}

textarea {
    resize: vertical;
    min-height: 100px;
}

.submit-btn {
    grid-column: 1 / -1;
    background-color: var(--primary-color);
    color: white;
    font-size: 1.1rem;
    font-weight: 600;
    padding: 1rem;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: background-color 0.3s ease, transform 0.1s ease;
    margin-top: 1rem;
}

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

.submit-btn:active {
    transform: translateY(2px);
}

/* Dashboard Styles */
.dashboard-container {
    max-width: 1400px;
    margin: 0 auto;
    background: var(--card-bg);
    border-radius: 12px;
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    overflow: hidden;
}

.dashboard-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 2rem;
    border-bottom: 1px solid var(--border-color);
}

.btn-add {
    background-color: var(--primary-color);
    color: white;
    text-decoration: none;
    padding: 0.5rem 1rem;
    border-radius: 6px;
    font-weight: 500;
    transition: background-color 0.3s ease;
}

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

.table-wrapper {
    overflow-x: auto;
    padding: 0 2rem 2rem 2rem;
}

table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 1.5rem;
    min-width: 2500px; /* Force scroll for many columns */
}

th, td {
    padding: 1rem;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

th {
    background-color: #f9fafb;
    font-weight: 600;
    color: var(--text-muted);
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    position: sticky;
    top: 0;
}

tbody tr:hover {
    background-color: #f3f4f6;
}

@media (max-width: 768px) {
    form {
        grid-template-columns: 1fr;
    }
}

/* Specific styling for mobile headers */
@media (max-width: 600px) {
    .form-group h3 {
        font-size: 1.1rem;
        padding-bottom: 0.3rem;
    }
    .submit-btn {
        padding: 1.25rem;
        font-size: 1.2rem;
        border-radius: 10px;
    }
}