/* ========================================
   StarFormularioV2 - Base Styles
   Reset + Modern Typography
======================================== */

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

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: var(--line-height-normal);
    color: var(--text-dark);
    background: var(--bg-light);
    min-height: 100vh;
    transition: background var(--transition-slow), color var(--transition-slow);
}

/* ===== Dark Mode ===== */
body.dark-mode {
    color: var(--text-light);
    background: var(--bg-dark);
}

/* ===== Títulos ===== */
h1, h2, h3, h4, h5, h6 {
    font-weight: var(--font-weight-bold);
    line-height: var(--line-height-tight);
    margin-bottom: var(--space-4);
}

h1 { font-size: var(--font-size-5xl); }
h2 { font-size: var(--font-size-4xl); }
h3 { font-size: var(--font-size-3xl); }
h4 { font-size: var(--font-size-2xl); }
h5 { font-size: var(--font-size-xl); }
h6 { font-size: var(--font-size-lg); }

p {
    margin-bottom: var(--space-4);
}

a {
    color: var(--primary);
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover {
    color: var(--primary-hover);
}

/* ===== Imagens ===== */
img {
    max-width: 100%;
    height: auto;
    display: block;
}

img.circle {
    border-radius: var(--radius-full);
}

/* ===== Listas ===== */
ul, ol {
    list-style: none;
}

/* =====selection ===== */
::selection {
    background: var(--primary);
    color: white;
}

body.dark-mode ::selection {
    background: var(--primary);
    color: var(--bg-dark);
}

/* ===== Scrollbar ===== */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: transparent;
}

::-webkit-scrollbar-thumb {
    background: rgba(0, 217, 255, 0.3);
    border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb:hover {
    background: rgba(0, 217, 255, 0.5);
}

/* ===== Foco ===== */
:focus {
    outline: none;
}

:focus-visible {
    outline: 2px solid var(--primary);
    outline-offset: 2px;
}

/* ===== Utilitários de Exibição ===== */
.hidden { display: none !important; }
.block { display: block; }
.inline { display: inline; }
.inline-block { display: inline-block; }
.flex { display: flex; }
.grid { display: grid; }

/* ===== Utilitário de Container ===== */
.container {
    width: 100%;
    max-width: var(--container-xl);
    margin: 0 auto;
    padding: 0 var(--space-4);
}

@media (min-width: 768px) {
    .container {
        padding: 0 var(--space-6);
    }
}

/* ===== Screen Reader Only ===== */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* ===== Animação Fade In ===== */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInScale {
    from {
        opacity: 0;
        transform: scale(0.95);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

/* ===== Pulse Animation ===== */
@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

/* ===== Spin Animation ===== */
@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

/* ===== Glow Pulse ===== */
@keyframes glowPulse {
    0%, 100% {
        box-shadow: 0 0 5px var(--primary-glow),
                    0 0 10px var(--primary-glow),
                    0 0 15px var(--primary-glow);
    }
    50% {
        box-shadow: 0 0 10px var(--primary-glow),
                    0 0 20px var(--primary-glow),
                    0 0 30px var(--primary-glow);
    }
}

/* ===== Loading Spinner ===== */
.spinner {
    width: 40px;
    height: 40px;
    border: 3px solid rgba(0, 217, 255, 0.2);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    margin: var(--space-8) auto;
}

/* ===== Skeleton Loading ===== */
.skeleton {
    background: linear-gradient(
        90deg,
        rgba(0, 217, 255, 0.1) 25%,
        rgba(0, 217, 255, 0.2) 50%,
        rgba(0, 217, 255, 0.1) 75%
    );
    background-size: 200% 100%;
    animation: pulse 1.5s ease-in-out infinite;
    border-radius: var(--radius-md);
}