/* css/style.css */
:root {
    --color-bg-primary: #1a1a1a;
    --color-bg-secondary: #2d2d2d;
    --color-bg-tertiary: #3a3a3a;
    --color-accent: #d4af37;
    --color-accent-hover: #f0c752;
    --color-text-primary: #ffffff;
    --color-text-secondary: #b0b0b0;
    --color-border: #404040;
    --color-success: #4caf50;
    --color-error: #f44336;
}

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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: var(--color-bg-primary);
    color: var(--color-text-primary);
    line-height: 1.6;
}

/* Header */
header {
    background-color: var(--color-bg-secondary);
    padding: 1rem 2rem;
    border-bottom: 2px solid var(--color-accent);
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1400px;
    margin: 0 auto;
}

.logo {
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--color-accent);
}

.nav-links {
    display: flex;
    gap: 2rem;
    list-style: none;
}

.nav-links a {
    color: var(--color-text-primary);
    text-decoration: none;
    transition: color 0.3s;
}

.nav-links a:hover {
    color: var(--color-accent);
}

/* Container Principal */
.container {
    max-width: 1400px;
    margin: 2rem auto;
    padding: 0 2rem;
}

/* Cards */
.card {
    background-color: var(--color-bg-secondary);
    border: 1px solid var(--color-border);
    border-radius: 8px;
    padding: 1.5rem;
    margin-bottom: 1.5rem;
}

/* Botões */
.btn {
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 1rem;
    transition: all 0.3s;
    text-decoration: none;
    display: inline-block;
    text-align: center;
}

.btn-primary {
    background-color: var(--color-accent);
    color: var(--color-bg-primary);
}

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

.btn-secondary {
    background-color: var(--color-bg-tertiary);
    color: var(--color-text-primary);
}

.btn-secondary:hover {
    background-color: var(--color-border);
}

/* Inputs */
input, select, textarea {
    width: 100%;
    padding: 0.75rem;
    background-color: var(--color-bg-tertiary);
    border: 1px solid var(--color-border);
    border-radius: 4px;
    color: var(--color-text-primary);
    font-size: 1rem;
}

input:focus, select:focus, textarea:focus {
    outline: none;
    border-color: var(--color-accent);
}

/* Grid */
.grid {
    display: grid;
    gap: 1.5rem;
}

.grid-2 {
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
}

.grid-3 {
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
}

/* Responsive */
@media (max-width: 768px) {
    .nav-links {
        gap: 1rem;
        font-size: 0.9rem;
    }
    
    .grid-2,
    .grid-3 {
        grid-template-columns: 1fr;
    }
}

/* Dropdown Menu */
.nav-links li {
    position: relative;
}

.nav-links .dropdown {
    position: relative;
}

.nav-links .dropdown-content {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    background-color: var(--color-bg-secondary);
    min-width: 200px;
    box-shadow: 0px 8px 16px 0px rgba(0,0,0,0.4);
    z-index: 1000;
    border: 1px solid var(--color-border);
    border-radius: 4px;
    margin-top: 0.25rem;
    opacity: 0;
    transform: translateY(-10px);
    transition: opacity 0.2s, transform 0.2s;
    pointer-events: none;
}

.nav-links .dropdown-content a {
    color: var(--color-text-primary);
    padding: 0.75rem 1rem;
    text-decoration: none;
    display: block;
    transition: background-color 0.3s;
}

.nav-links .dropdown-content a:hover {
    background-color: var(--color-bg-tertiary);
    color: var(--color-accent);
}

/* Show dropdown when active class is added (click-based) */
.nav-links .dropdown.active .dropdown-content {
    display: block;
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
}

.nav-links .dropdown > a {
    cursor: pointer;
    user-select: none;
}

/* Arrow indicator */
.nav-links .dropdown .arrow {
    font-size: 0.7rem;
    margin-left: 0.3rem;
    transition: transform 0.2s;
    display: inline-block;
}

/* Rotate arrow when dropdown is active */
.nav-links .dropdown.active .arrow {
    transform: rotate(180deg);
}

@media (max-width: 768px) {
    .nav-links .dropdown-content {
        position: static;
        box-shadow: none;
        border: none;
        margin-top: 0;
    }
    
    .nav-links {
        flex-direction: column;
    }
}