/* ============================================
   AMAZONIA — base.css
   Reset, estilos globales, componentes reutilizables,
   animaciones y utilidades.
   ============================================ */

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

html { scroll-behavior: smooth; font-size: 16px; }

body {
    font-family: var(--font-family);
    background-color: var(--color-bg-primary);
    color: var(--color-text-primary);
    line-height: 1.6;
    min-height: 100vh;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    /* Fondo con luces ambientales y patrón de puntos sutil */
    background-image:
        radial-gradient(ellipse 80% 60% at 15% -5%,  rgba(0, 230, 118, 0.07) 0%, transparent 55%),
        radial-gradient(ellipse 70% 50% at 85% 105%, rgba(41, 121, 255, 0.06) 0%, transparent 55%),
        radial-gradient(circle at 1px 1px, rgba(255,255,255,0.035) 1px, transparent 0);
    background-size: 100% 100%, 100% 100%, 28px 28px;
}

/* ── Tipografía ──────────────────────────── */
h1, h2, h3, h4, h5, h6 {
    line-height: 1.2;
    font-weight: var(--font-weight-bold);
    color: var(--color-text-primary);
}

p { color: var(--color-text-secondary); line-height: 1.7; }

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

img { max-width: 100%; height: auto; display: block; }

button { font-family: var(--font-family); cursor: pointer; border: none; background: none; }

input, select, textarea {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
}

ul, ol { list-style: none; }

/* ── Utilidades de texto ─────────────────── */
.gradient-text {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.text-primary   { color: var(--color-primary) !important; }
.text-secondary { color: var(--color-secondary) !important; }
.text-muted     { color: var(--color-text-muted) !important; }
.text-center    { text-align: center; }

/* ── Botones ─────────────────────────────── */
.btn-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-6);
    background: var(--gradient-primary);
    color: #000;
    font-weight: var(--font-weight-bold);
    font-size: var(--font-size-base);
    border-radius: var(--border-radius-full);
    border: none;
    cursor: pointer;
    transition: all var(--transition-base) var(--ease-smooth);
    box-shadow: var(--shadow-btn-primary);
    text-decoration: none;
    white-space: nowrap;
    letter-spacing: 0.01em;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-btn-hover);
    color: #000;
}

.btn-primary:active { transform: translateY(0); }

.btn-secondary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-6);
    background: transparent;
    color: var(--color-text-primary);
    font-weight: var(--font-weight-semibold);
    font-size: var(--font-size-base);
    border-radius: var(--border-radius-full);
    border: 1px solid var(--border-medium);
    cursor: pointer;
    transition: all var(--transition-base) var(--ease-smooth);
    text-decoration: none;
    white-space: nowrap;
}

.btn-secondary:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
    background: var(--color-primary-glow);
    transform: translateY(-2px);
}

.btn-ghost {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-4);
    background: transparent;
    color: var(--color-text-secondary);
    font-weight: var(--font-weight-medium);
    font-size: var(--font-size-sm);
    border-radius: var(--border-radius-md);
    border: none;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.btn-ghost:hover {
    color: var(--color-text-primary);
    background: rgba(255,255,255,0.06);
}

.btn-sm { padding: var(--space-2) var(--space-4); font-size: var(--font-size-sm); }

/* ── Cards base ──────────────────────────── */
.card {
    background: var(--color-bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--border-radius-lg);
    padding: var(--space-6);
    transition: all var(--transition-base) var(--ease-smooth);
    position: relative;
    overflow: hidden;
}

/* Borde degradado que aparece en hover */
.card::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: inherit;
    padding: 1px;
    background: var(--gradient-card-border);
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    opacity: 0;
    transition: opacity var(--transition-base);
    pointer-events: none;
}

.card:hover {
    background: var(--color-bg-card-hover);
    border-color: var(--border-medium);
    box-shadow: var(--shadow-card-hover);
}

.card:hover::before { opacity: 1; }

/* ── Badges ──────────────────────────────── */
.badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-1);
    padding: 3px var(--space-3);
    border-radius: var(--border-radius-full);
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-semibold);
    text-transform: uppercase;
    letter-spacing: 0.06em;
}

.badge-success { background: var(--color-success-bg); color: var(--color-success); border: 1px solid var(--color-success-border); }
.badge-warning { background: var(--color-warning-bg); color: var(--color-warning); border: 1px solid var(--color-warning-border); }
.badge-danger  { background: var(--color-danger-bg);  color: var(--color-danger);  border: 1px solid var(--color-danger-border);  }
.badge-info    { background: var(--color-info-bg);    color: var(--color-info);    border: 1px solid var(--color-info-border);    }

/* ── Form elements ───────────────────────── */
.form-group {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.form-label {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.06em;
}

.form-input,
.form-select {
    width: 100%;
    padding: var(--space-3) var(--space-4);
    background: rgba(255,255,255,0.05);
    border: 1px solid var(--border-subtle);
    border-radius: var(--border-radius-md);
    color: var(--color-text-primary);
    font-size: var(--font-size-base);
    transition: all var(--transition-fast);
    outline: none;
    appearance: none;
}

.form-input:focus,
.form-select:focus {
    border-color: var(--color-primary);
    background: rgba(0, 230, 118, 0.04);
    box-shadow: 0 0 0 3px rgba(0, 230, 118, 0.12);
}

.form-input::placeholder { color: var(--color-text-muted); }

/* ── Divider ─────────────────────────────── */
.divider { height: 1px; background: var(--border-subtle); border: none; }

/* ── Sección title ───────────────────────── */
.section-title {
    font-size: var(--font-size-2xl);
    font-weight: var(--font-weight-black);
    text-align: center;
    margin-bottom: var(--space-2);
}

.section-subtitle {
    font-size: var(--font-size-md);
    color: var(--color-text-secondary);
    text-align: center;
    max-width: 600px;
    margin: 0 auto var(--space-10);
}

/* ── Placeholder módulos (pendiente) ─────── */
.module-placeholder {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--space-5);
    min-height: 60vh;
    text-align: center;
    padding: var(--space-16) var(--content-padding);
}

.placeholder-icon {
    width: 88px;
    height: 88px;
    border-radius: 50%;
    background: var(--gradient-primary-soft);
    border: 1px solid var(--border-accent);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.25rem;
    color: var(--color-primary);
}

.module-placeholder h2  { font-size: var(--font-size-2xl); }
.module-placeholder p   { max-width: 420px; }

/* ── Loading spinner ─────────────────────── */
.spinner {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 2px solid rgba(255,255,255,0.12);
    border-radius: 50%;
    border-top-color: var(--color-primary);
    animation: spin 0.7s linear infinite;
    flex-shrink: 0;
}

/* ── Animaciones ─────────────────────────── */
@keyframes fadeIn    { from { opacity: 0; } to { opacity: 1; } }
@keyframes fadeInUp  { from { opacity: 0; transform: translateY(24px); } to { opacity: 1; transform: translateY(0); } }
@keyframes fadeInDown{ from { opacity: 0; transform: translateY(-16px); } to { opacity: 1; transform: translateY(0); } }
@keyframes slideInLeft { from { opacity: 0; transform: translateX(-20px); } to { opacity: 1; transform: translateX(0); } }
@keyframes spin      { to { transform: rotate(360deg); } }
@keyframes pulse     { 0%, 100% { opacity: 1; } 50% { opacity: 0.5; } }
@keyframes float     { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-10px); } }

@keyframes pulseGlow {
    0%, 100% { box-shadow: 0 0 20px rgba(0,230,118,0.25); }
    50%       { box-shadow: 0 0 45px rgba(0,230,118,0.55); }
}

@keyframes rotateBorder {
    from { transform: rotate(0deg); }
    to   { transform: rotate(360deg); }
}

.anim-fade-in      { animation: fadeIn     0.4s ease both; }
.anim-fade-in-up   { animation: fadeInUp   0.5s ease both; }
.anim-fade-in-down { animation: fadeInDown 0.4s ease both; }

/* Delays para animaciones escalonadas */
.delay-1 { animation-delay:  80ms; }
.delay-2 { animation-delay: 160ms; }
.delay-3 { animation-delay: 240ms; }
.delay-4 { animation-delay: 320ms; }
.delay-5 { animation-delay: 400ms; }
.delay-6 { animation-delay: 480ms; }

/* ── Scrollbar personalizado ─────────────── */
::-webkit-scrollbar       { width: 5px; }
::-webkit-scrollbar-track { background: var(--color-bg-primary); }
::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.12); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: rgba(255,255,255,0.22); }

/* ── Accesibilidad ───────────────────────── */
:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 3px;
    border-radius: 4px;
}

.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;
}