/* Hugo Boss Inspired Luxury Minimalist Stylesheet */

/* Design variables based on Hugo Boss Design System */
:root {
    --bg-main: #000000;            /* Pure Luxury Black */
    --bg-card: #050505;            /* Jet Black */
    --bg-card-border: #1a1a1a;     /* Sophisticated dark divider */
    --bg-card-hover-border: #c5a059; /* Rich Hugo Boss Gold/Camel Accent */
    
    --text-primary: #ffffff;       /* Crisp White */
    --text-secondary: #a3a3a3;     /* Refined Muted Silver */
    --text-dim: #555555;           /* Tailored Gray */
    
    --color-primary: #ffffff;      /* Contrast Primary */
    --color-accent: #c5a059;       /* Sand/Camel Gold */
    --color-accent-rgb: 197, 160, 89;

    --color-extra: #4AF626;
    --color-extra-invalid: #ff0000;
    
    --transition-smooth: all 0.5s cubic-bezier(0.16, 1, 0.3, 1); /* Elegantly slower transitions */
    --font-display: 'Montserrat', 'Univers', 'Helvetica Neue', Arial, sans-serif; /* Geometric, bold */
    --font-body: 'Inter', system-ui, -apple-system, sans-serif;
    --font-mono: 'JetBrains Mono', monospace;
}
.instruction-banner {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-left: 3px solid #ffffff;
  border-radius: 0; /* Sharp, high-fashion architecture */
  padding: 28px;
  margin-top: 120px;
  display: flex;
  gap: 24px;
  align-items: flex-start;
  margin-left: auto;
  margin-right: auto;
  width: 60vw;
}

.alert-icon-wrapper {
  background-color: #ffffff;
  border: none;
  padding: 12px;
  border-radius: 0; /* Sharp square */
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: #000000;
}

.alert-icon {
  width: 20px;
  height: 20px;
}

.alert-text {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.alert-text h1 {
  font-size: 1.15rem;
  letter-spacing: 0.15em;
  color: #fff;
}

.alert-text p {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.6;
}


/* Base resets with structured margins */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    border-radius: 0px !important; /* STRICT TAILORED SHARP EDGES ONLY (NO ROUND CORNERS) */
}

html {
    scroll-behavior: smooth;
}

body {
    background-color: var(--bg-main);
    color: var(--text-primary);
    font-family: var(--font-body);
    line-height: 1.6;
    overflow-x: hidden;
    letter-spacing: -0.2px;
}

/* Header & Nav */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 100;
    background: rgba(0, 0, 0, 0.95);
    border-bottom: 1px solid var(--bg-card-border);
    transition: var(--transition-smooth);
}

.nav-container {
    max-width: 1400px; /* Wider spacious layouts */
    margin: 0 auto;
    padding: 24px 40px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    font-family: var(--font-display);
    font-weight: 900;
    font-size: 1.4rem;
    color: var(--text-primary);
    letter-spacing: 1px; /* Sophisticated spacing */
}

.logo-icon {
    font-size: 1.25rem;
    filter: grayscale(1); /* Keep brand monochrome */
}

.logo-text .highlight {
    color: var(--color-accent);
}

/* Buttons (Strict, flat rectangular) */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 36px;
    font-family: var(--font-display);
    font-weight: 700;
    text-decoration: none;
    font-size: 0.85rem;
    letter-spacing: 2px; /* Uppercase spaced buttons */
    cursor: pointer;
    transition: var(--transition-smooth);
    border: 1px solid transparent;
}

.btn-primary {
    background-color: var(--text-primary);
    color: var(--bg-main);
    border: 1px solid var(--text-primary);
}

.btn-primary:hover {
    background-color: var(--color-accent);
    border-color: var(--color-accent);
    color: var(--text-primary);
}

.btn-lg {
    padding: 18px 44px;
    font-size: 0.9rem;
}

/* Main Layout Centered Validator */
.minimal-main {
    min-height: calc(100vh - 120px);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0px 20px 80px 20px;
    background-color: #000000;
}

.validation-container {
    max-width: 600px;
    width: 100%;
    background-color: var(--bg-card);
    border: 1px solid var(--bg-card-border);
    padding: 60px 40px;
    text-align: center;
    transition: var(--transition-smooth);
}

.validation-container:hover {
    border-color: var(--bg-card-hover-border);
}

.section-tag {
    color: var(--color-accent);
    font-family: var(--font-display);
    text-transform: uppercase;
    font-size: 0.75rem;
    letter-spacing: 4px;
    font-weight: 800;
    margin-bottom: 20px;
    display: inline-block;
}

.validation-title {
    font-family: var(--font-display);
    font-size: 2.2rem;
    font-weight: 900;
    margin-bottom: 24px;
    letter-spacing: 1px;
}

.validation-text {
    color: var(--text-secondary);
    font-family: var(--font-body);
    font-size: 1.05rem;
    line-height: 1.7;
    font-weight: 300;
    margin-bottom: 40px;
}

.console-output {
    margin-top: 40px;
    padding: 20px;
    background-color: #000;
    border: 1px solid var(--bg-card-border);
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--text-secondary);
    text-align: left;
    letter-spacing: 0.5px;
    transition: var(--transition-smooth);
}

/* Footer */
.footer {
    background-color: #000;
    border-top: 1px solid var(--bg-card-border);
    padding: 40px 20px;
}

.footer-bottom {
    max-width: 1400px;
    margin: 0 auto;
    text-align: center;
    color: var(--text-dim);
    font-family: var(--font-display);
    font-size: 0.7rem;
    letter-spacing: 2px;
    font-weight: 500;
}

/* Animations */
.animate-slide-up {
    opacity: 0;
    transform: translateY(30px);
    animation: slideUp 1s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

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