:root {
    --bg-main: #0A0A0A;
    --bg-card: #1C1C1C;
    --text-primary: #F7F7F7;
    --text-secondary: #8A8A8A;
    --accent-gold: #AC8D5A;
    --accent-gold-soft: #B79A6A;
    --border-color: #333333;
    --glass-bg: rgba(28, 28, 28, 0.7);
    --font-family: 'Inter', sans-serif;
    --bg-input: rgba(255, 255, 255, 0.06);
    --bg-input-hover: rgba(255, 255, 255, 0.09);
    --bg-input-focus: rgba(255, 255, 255, 0.10);
    --bg-option: #151515;
    --bg-option-hover: #202020;
    --bg-option-selected: rgba(172, 141, 90, 0.22);
}

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

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

/* Form controls (dark theme) */
.empresa-select {
    width: 100%;
    background: var(--bg-input);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 9px 34px 9px 10px;
    border-radius: 8px;
    font-size: 0.85rem;
    outline: none;
    cursor: pointer;
    transition: border-color 0.15s ease, background 0.15s ease, box-shadow 0.15s ease;
    appearance: none;
    -webkit-appearance: none;
    -moz-appearance: none;
    color-scheme: dark;
    background-image:
      linear-gradient(45deg, transparent 50%, var(--text-secondary) 50%),
      linear-gradient(135deg, var(--text-secondary) 50%, transparent 50%);
    background-position:
      calc(100% - 18px) 52%,
      calc(100% - 12px) 52%;
    background-size: 6px 6px, 6px 6px;
    background-repeat: no-repeat;
}

.empresa-select:hover {
    background: var(--bg-input-hover);
    border-color: rgba(172, 141, 90, 0.55);
}

.empresa-select:focus,
.empresa-select:focus-visible {
    background: var(--bg-input-focus);
    border-color: rgba(172, 141, 90, 0.85);
    box-shadow: 0 0 0 3px rgba(172, 141, 90, 0.20);
}

.empresa-select:disabled {
    cursor: not-allowed;
    opacity: 0.6;
}

/* Native select dropdown options (best-effort; varies by browser/OS) */
.empresa-select option {
    background: var(--bg-option);
    color: var(--text-primary);
}

.empresa-select option:checked {
    background: var(--bg-option-selected);
    color: var(--text-primary);
}

.empresa-select option:disabled {
    color: rgba(247, 247, 247, 0.55);
}

.app-container {
    min-height: 100vh;
    display: flex;
    flex-direction: row; /* Layout horizontal para suporte ao Chat lateral */
}

/* Typography */
h1, h2, h3 {
    font-weight: 700;
    letter-spacing: -0.02em;
}

/* Premium Components */
.btn-gold {
    background: linear-gradient(135deg, var(--accent-gold), var(--accent-gold-soft));
    color: var(--bg-main);
    border: none;
    padding: 12px 24px;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-block;
}

.btn-gold:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(172, 141, 90, 0.4);
}

.card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 24px;
    transition: border-color 0.3s ease;
}

.card:hover {
    border-color: var(--accent-gold);
}

/* Hero Section */
.hero {
    height: 100vh;
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    background: radial-gradient(circle at center, #1c1c1c 0%, #0a0a0a 100%);
}

.hero-content {
    max-width: 800px;
    padding: 0 20px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 14px;
    margin-bottom: 14px;
}

.ai-orb {
    width: 56px;
    height: 56px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 16px;
    background: rgba(255,255,255,0.03);
    border: 1px solid rgba(172,141,90,0.22);
    box-shadow:
      0 0 0 6px rgba(172,141,90,0.06),
      0 20px 60px rgba(0,0,0,0.35);
    animation: aiFloat 3.4s ease-in-out infinite;
}

.ai-orb__ring {
    transform-origin: 32px 32px;
    animation: aiSpin 7.5s linear infinite;
}

.ai-orb__pulse {
    stroke-dasharray: 70 70;
    stroke-dashoffset: 0;
    animation: aiPulse 2.2s ease-in-out infinite;
}

.hero-title {
    font-size: 3.15rem;
    margin-bottom: 10px;
    letter-spacing: -0.03em;
    background: linear-gradient(to right, #fff, #bdbdbd);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-subtitle {
    font-size: 1.06rem;
    color: var(--text-secondary);
    margin-bottom: 28px;
}

@keyframes aiSpin {
    to { transform: rotate(360deg); }
}

@keyframes aiPulse {
    0%, 100% { stroke-opacity: 0.25; }
    50% { stroke-opacity: 0.65; }
}

@keyframes aiFloat {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-6px); }
}

/* Gold Accent Line */
.accent-line {
    height: 2px;
    width: 60px;
    background-color: var(--accent-gold);
    margin: 20px auto;
}