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

:root {
    --d3hub-primary: #34a6cc;
    --d3hub-accent: #34a6cc;
    --d3hub-light: #F5F7FA;
    --d3hub-dark: #333333;
    --d3hub-gray: #666666;
    --d3hub-border: #E0E6ED;
    --d3hub-footer-bg: #34a6cc;
}

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

html,
body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    background: linear-gradient(135deg, var(--d3hub-light) 0%, #FFFFFF 100%);
    color: var(--d3hub-dark);
    min-height: 100vh;
}

/* Common Header Styles */
.header {
    background: white;
    border-bottom: 3px solid var(--d3hub-primary);
    padding: 12px 0;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    margin-bottom: 20px;
}

.header-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo-img {
    width: 40px;
    height: auto;
    max-height: 40px;
}

.logo-text h1 {
    color: var(--d3hub-primary);
    font-family: 'Archivo', sans-serif;
    font-size: 22px;
    font-weight: 700;
    margin: 0;
    letter-spacing: 1px;
    line-height: 1;
}

.logo-text p {
    color: var(--d3hub-gray);
    font-size: 10px;
    font-weight: 500;
    margin: 2px 0 0 0;
    letter-spacing: 0.5px;
}

/* Typography */
h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: 'Archivo', sans-serif;
}

h2 {
    color: var(--d3hub-primary);
    font-size: 22px;
    margin-bottom: 6px;
    font-weight: 700;
}

h3 {
    color: var(--d3hub-primary);
    font-size: 16px;
    margin: 20px 0 12px 0;
    font-weight: 700;
}

p {
    color: var(--d3hub-gray);
    font-size: 13px;
    margin-bottom: 16px;
}

/* Forms & Inputs */
label {
    display: block;
    margin-bottom: 6px;
    color: var(--d3hub-primary);
    font-weight: 700;
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.3px;
}

input[type="text"],
input[type="number"],
input[type="date"],
select,
textarea {
    width: 100%;
    padding: 10px 12px;
    border: 2px solid var(--d3hub-border);
    border-radius: 6px;
    font-size: 13px;
    font-family: inherit;
    transition: all 0.2s ease;
    background: white;
}

input[type="text"]:focus,
input[type="number"]:focus,
input[type="date"]:focus,
select:focus,
textarea:focus {
    outline: none;
    border-color: var(--d3hub-accent);
    box-shadow: 0 0 0 3px rgba(255, 140, 0, 0.08);
}

/* Buttons */
button[type="submit"],
.btn-submit {
    background: linear-gradient(135deg, var(--d3hub-primary), var(--d3hub-accent));
    color: white;
    padding: 12px 24px;
    border: none;
    border-radius: 6px;
    font-size: 12px;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.2s ease;
    width: 100%;
    text-transform: uppercase;
    letter-spacing: 0.3px;
    margin-top: 16px;
    display: inline-block;
    text-align: center;
    text-decoration: none;
}

button[type="submit"]:hover,
.btn-submit:hover {
    transform: translateY(-1px);
    box-shadow: 0 6px 12px rgba(0, 82, 204, 0.15);
}

.btn-back,
.btn-secondary {
    background: white;
    color: var(--d3hub-gray);
    border: 1px solid var(--d3hub-border);
    padding: 12px 24px;
    border-radius: 6px;
    font-size: 12px;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.2s ease;
    text-transform: uppercase;
    letter-spacing: 0.3px;
    text-decoration: none;
    display: inline-block;
    text-align: center;
}

.btn-back:hover,
.btn-secondary:hover {
    background: var(--d3hub-light);
    color: var(--d3hub-primary);
    border-color: var(--d3hub-primary);
}

/* Tables */
table {
    width: 100%;
    border-collapse: collapse;
    margin: 16px 0;
    background: white;
    border: 1px solid var(--d3hub-border);
    border-radius: 6px;
    overflow: hidden;
}

table th {
    background: linear-gradient(135deg, var(--d3hub-primary), var(--d3hub-accent));
    color: white;
    padding: 12px;
    text-align: left;
    font-weight: 700;
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.3px;
}

table td {
    padding: 10px 12px;
    border-bottom: 1px solid var(--d3hub-border);
}

table tr:hover {
    background: rgba(255, 140, 0, 0.03);
}

table input[type="number"] {
    width: 100%;
    padding: 6px 8px;
    border: 1px solid var(--d3hub-border);
    border-radius: 4px;
    font-size: 12px;
}

table input[type="number"]:focus {
    border-color: var(--d3hub-accent);
    box-shadow: 0 0 0 2px rgba(255, 140, 0, 0.08);
}

/* Layout Helpers */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

.form-group {
    margin-bottom: 16px;
}

.button-group {
    display: flex;
    gap: 12px;
    margin-top: 24px;
}

.info-row {
    display: flex;
    gap: 24px;
    margin-bottom: 24px;
    padding: 16px;
    background: white;
    border-radius: 8px;
    border: 1px solid var(--d3hub-border);
}

.form-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 20px;
    margin-bottom: 24px;
}

/* Index Page Specifics */
main {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 40px 20px;
}

.form-card {
    background: white;
    border-radius: 12px;
    padding: 35px;
    box-shadow: 0 4px 16px rgba(0, 82, 204, 0.08);
    border: 1px solid var(--d3hub-border);
    width: 100%;
    max-width: 550px;
}

.form-card-header {
    text-align: center;
    margin-bottom: 25px;
}

.info-box {
    background: linear-gradient(135deg, rgba(255, 140, 0, 0.06), rgba(0, 82, 204, 0.04));
    border: 1px solid rgba(255, 140, 0, 0.15);
    border-radius: 8px;
    padding: 12px 14px;
    margin: 12px 0;
    display: none;
}

.info-box.show {
    display: block;
    animation: slideDown 0.25s ease-out;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-8px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.error-message {
    color: #E74C3C;
    font-size: 11px;
    margin-top: 4px;
    display: none;
    font-weight: 600;
}

.error-message.show {
    display: block;
}

footer {
    text-align: center;
    padding: 20px;
    color: var(--d3hub-light);
    font-size: 10px;
    background: var(--d3hub-footer-bg);
}

/* Result Page Specifics */
.tabs {
    display: flex;
    gap: 10px;
    margin-bottom: 20px;
    border-bottom: 2px solid var(--d3hub-border);
}

.tab-btn {
    background: transparent;
    border: none;
    color: var(--d3hub-gray);
    padding: 12px 16px;
    font-size: 13px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.3px;
    cursor: pointer;
    border-bottom: 3px solid transparent;
    transition: all 0.2s ease;
}

.tab-btn:hover {
    color: var(--d3hub-primary);
    border-bottom-color: var(--d3hub-accent);
}

.tab-btn.active {
    color: var(--d3hub-primary);
    border-bottom-color: var(--d3hub-primary);
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}

.data-preview {
    background: #f8f9fa;
    padding: 15px;
    border-radius: 6px;
    border: 1px solid var(--d3hub-border);
    margin-bottom: 20px;
    overflow-x: auto;
}

/* Responsive */
@media (max-width: 768px) {
    h2 {
        font-size: 18px;
    }

    h3 {
        font-size: 14px;
    }

    table {
        font-size: 12px;
    }

    table th,
    table td {
        padding: 8px;
    }

    table input[type="number"] {
        padding: 4px;
        font-size: 11px;
    }

    main {
        padding: 30px 15px;
    }

    .form-card {
        padding: 25px 20px;
    }
}

/* ===== MENU GRID STYLES ===== */
.forms-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-top: 20px;
}

.menu-card {
    background: white;
    border-radius: 12px;
    padding: 24px;
    border: 1px solid var(--d3hub-border);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
    transition: all 0.3s ease;
    text-decoration: none;
    color: inherit;
    display: flex;
    flex-direction: column;
    cursor: pointer;
}

.menu-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 20px rgba(0, 82, 204, 0.15);
    border-color: var(--d3hub-accent);
}

.form-icon {
    font-size: 28px;
    margin-bottom: 12px;
}

.menu-card h3 {
    color: var(--d3hub-primary);
    font-size: 18px;
    margin-bottom: 8px;
    font-weight: 700;
}

.menu-card p {
    color: var(--d3hub-gray);
    font-size: 13px;
    margin-bottom: 16px;
    flex-grow: 1;
    line-height: 1.5;
}

.form-badge {
    display: inline-block;
    background: linear-gradient(135deg, var(--d3hub-primary), var(--d3hub-accent));
    color: white;
    padding: 6px 14px;
    border-radius: 20px;
    font-size: 11px;
    font-weight: 600;
    width: fit-content;
}

@media (max-width: 1024px) {
    .forms-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

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

    .menu-card {
        padding: 18px;
    }
}