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

body {
    font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    line-height: 1.6;
    background: #050712;
    color: #f5f5f5;
    
}

/* Container */
.container {
    width: 100%;
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 1rem;
}

/* Header & Navigation */
.site-header {
    background: #0b1020;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    position: sticky;
    top: 0;
    z-index: 100;
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.75rem 0;
}

.logo {
    font-weight: 700;
    font-size: 1.2rem;
}

.logo-main {
    color: #24e07a;
}

.logo-sub {
    color: #f0f0f0;
}

.nav {
    display: flex;
    gap: 1rem;
}

.nav-link {
    color: #c7c7c7;
    text-decoration: none;
    padding: 0.4rem 0.8rem;
    border-radius: 999px;
    font-size: 0.95rem;
    transition: background 0.2s, color 0.2s;
}

.nav-link:hover {
    background: rgba(255, 255, 255, 0.08);
    color: #ffffff;
}

.nav-link.active {
    background: #24e07a;
    color: #050712;
}

/* Mobile nav toggle */
.nav-toggle {
    display: none;
    background: transparent;
    border: 1px solid rgba(255, 255, 255, 0.4);
    color: #ffffff;
    padding: 0.3rem 0.6rem;
    border-radius: 6px;
    font-size: 1.1rem;
}

/* Hero Section */
.hero {
    padding: 2.5rem 0 1.5rem;
    background: radial-gradient(circle at top left, #2fdc8a 0, #050712 45%);

}



.hero-content {
    display: grid;
    grid-template-columns: minmax(0, 3fr) minmax(0, 2.5fr);
    gap: 2rem;
    align-items: center;
}

.hero-text h1 {
    font-size: clamp(1.8rem, 3vw, 2.4rem);
    margin-bottom: 0.75rem;
}

.highlight {
    color: #24e07a;
}

.hero-text p {
    margin-bottom: 0.5rem;
    color: #f3f3f3;
}

.hero-note {
    margin-top: 0.6rem;
    font-style: italic;
    color: #ffe5a4;
}

.hero-info-card {
    background: rgba(5, 7, 18, 0.85);
    border-radius: 16px;
    padding: 1.2rem 1.4rem;
    border: 1px solid rgba(255, 255, 255, 0.06);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.35);
}

.hero-info-card h2 {
    font-size: 1.3rem;
    margin-bottom: 0.5rem;
}

/* Generator Section */
.generator-section {
    padding: 2rem 0 3rem;
}

.generator-section h2 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

.section-description {
    color: #d2d2d2;
    margin-bottom: 1.5rem;
}

.generator-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 1.6fr);
    gap: 1.75rem;
}

/* Form styling */
.dob-form {
    background: #0c1022;
    padding: 1.25rem 1.4rem;
    border-radius: 16px;
    border: 1px solid rgba(255, 255, 255, 0.06);
}

.form-row {
    display: flex;
    gap: 0.8rem;
    flex-wrap: wrap;
    margin-bottom: 0.9rem;
}

.form-group {
    flex: 1;
    min-width: 90px;
}

.form-group label {
    display: block;
    font-size: 0.85rem;
    margin-bottom: 0.25rem;
    color: #dcdcdc;
}

.form-group input {
    width: 100%;
    padding: 0.5rem 0.6rem;
    border-radius: 10px;
    border: 1px solid rgba(255, 255, 255, 0.18);
    background: #050712;
    color: #ffffff;
    font-size: 0.95rem;
}

.form-group input:focus {
    outline: none;
    border-color: #24e07a;
    box-shadow: 0 0 0 1px rgba(36, 224, 122, 0.7);
}

.btn-primary {
    margin-top: 0.3rem;
    border: none;
    background: linear-gradient(135deg, #24e07a, #19b658);
    color: #050712;
    padding: 0.55rem 1.4rem;
    border-radius: 999px;
    cursor: pointer;
    font-weight: 600;
    font-size: 0.95rem;
    transition: transform 0.15s, box-shadow 0.15s;
}

.btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: 0 6px 15px rgba(20, 190, 90, 0.45);
}

.small-note {
    margin-top: 0.8rem;
    font-size: 0.8rem;
    color: #b9b9b9;
}

.error-message {
    margin-top: 0.4rem;
    font-size: 0.85rem;
    color: #ff7373;
}

/* Result card */
.result-card {
    background: #0c1022;
    padding: 1.25rem 1.4rem;
    border-radius: 16px;
    border: 1px solid rgba(255, 255, 255, 0.06);
    min-height: 220px;
}

.result-card h3 {
    margin-bottom: 0.75rem;
}

.square-container {
    overflow-x: auto;
}

.square-container.placeholder {
    padding: 0.7rem 0;
    font-size: 0.9rem;
    color: #b5b5b5;
}

.magic-square-table {
    border-collapse: collapse;
    margin: 0 auto;
}

.magic-square-table td {
    border: 1px solid rgba(255, 255, 255, 0.3);
    padding: 0.35rem 0.7rem;
    text-align: center;
    min-width: 40px;
    font-weight: 600;
    font-family: "Consolas", "Courier New", monospace;
}

.magic-info {
    margin-top: 0.75rem;
    font-size: 0.95rem;
}

.magic-info span {
    color: #ffe680;
}

.magic-info.hidden {
    display: none;
}

/* Info note */
.info-note {
    margin-top: 1.4rem;
    font-size: 0.85rem;
    color: #c3c3c3;
}

/* Page header (About) */
.page-header {
    padding: 2.1rem 0 1rem;
    background: radial-gradient(circle at top, #2fdc8a 0, #050712 48%);
}

/* Content section (About) */
.content-section {
    padding: 2rem 0 3rem;
}

.about-grid {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    gap: 1.5rem;
}

.text-block {
    background: #0c1022;
    padding: 1.3rem 1.4rem;
    border-radius: 16px;
    border: 1px solid rgba(255, 255, 255, 0.06);
}

.text-block h2 {
    margin-bottom: 0.5rem;
}

.text-block p + p {
    margin-top: 0.4rem;
}

.card-like {
    border-left: 4px solid #24e07a;
}

.bullet-list {
    margin: 0.4rem 0 0.7rem 1.1rem;
    font-size: 0.95rem;
}

.code-like {
    display: inline-block;
    margin: 0.4rem 0;
    padding: 0.35rem 0.55rem;
    border-radius: 6px;
    background: rgba(0, 0, 0, 0.35);
    font-family: "Consolas", "Courier New", monospace;
}

/* Footer */
.site-footer {
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    padding: 0.9rem 0;
    background: #050712;
}

.footer-content {
    text-align: center;
    font-size: 0.85rem;
    color: #b8b8b8;
}

/* Responsive Styles */
@media (max-width: 768px) {
    .hero-content {
        grid-template-columns: minmax(0, 1fr);
    }

    .generator-grid {
        grid-template-columns: minmax(0, 1fr);
    }

    /* Keep navigation layout same as larger screens on mobile:
       - show nav inline (row)
       - remove absolute positioning and background/border styles
       - hide the toggle button
    */
    .nav {
        position: static;
        top: auto;
        right: auto;
        background: transparent;
        flex-direction: row;
        padding: 0;
        border-radius: 0;
        border: none;
        display: flex;
        gap: 0.75rem;
        align-items: center;
    }

    .nav.show {
        /* not needed when nav is always visible, keep as flex for safety */
        display: flex;
    }

    /* Hide the mobile toggle since nav is always visible */
    .nav-toggle {
        display: none;
    }
}

@media (max-width: 480px) {
    .dob-form,
    .result-card,
    .text-block {
        padding: 1rem 1rem;
    }

    .magic-square-table td {
        min-width: 32px;
        padding: 0.25rem 0.4rem;
    }
}