/* =================================================================
   8. ELEMENTOS DE FORMULÁRIO (Inputs, Botões, etc.)
   ================================================================= */

.empty-state-container {
    transition: transform 0.3s ease, background-color 0.3s ease;
    border-radius: 12px;
}
.empty-state-container:hover {
    transform: translateY(-2px);
    background-color: var(--border-subtle);
}
.form-floating { margin-bottom: 1.5rem; }

.form-select, .form-control {
    border-radius: 12px;
    border: 1px solid var(--border-highlight);
    background: var(--bg-main);
    color: var(--text-main);
    padding: 0.8rem 1rem;
    transition: all 0.3s ease;
    backdrop-filter: blur(4px);
}
.form-floating>label {
    color: var(--text-muted);
}

.form-select:focus, .form-control:focus {
    border-color: var(--brand-primary);
    box-shadow: 0 0 0 4px rgba(var(--brand-primary-rgb), 0.1);
    background: var(--bg-card);
    color: var(--text-main);
}

.form-check {
    background: var(--border-subtle);
    padding: 12px 18px;
    border-radius: 12px;
    border: 1px solid var(--border-subtle);
    transition: all 0.3s ease;
}

.form-check:hover {
    background: var(--border-highlight);
    border-color: var(--border-highlight);
}

.form-check-input:checked {
    background-color: var(--brand-primary);
    border-color: var(--brand-primary);
}

.form-check-input:focus {
    box-shadow: 0 0 0 0.25rem rgba(var(--brand-primary-rgb), 0.25);
}

.btn-primary, .btn-success, .btn-warning, .btn-info, .btn-light-theme {
    border: none;
    border-radius: 12px;
    padding: 14px 30px;
    font-weight: 600;
    letter-spacing: 0.5px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.btn-primary:hover, .btn-success:hover, .btn-warning:hover, .btn-info:hover, .btn-light-theme:hover {
    transform: translateY(-2px);
}

.btn-primary {
    /* Premium World Cup 2026 Primary Button: Deep base with vivid cyan glow and rich gradient on hover */
    background: linear-gradient(135deg, rgba(var(--brand-primary-rgb), 0.15) 0%, rgba(var(--brand-primary-rgb), 0.1) 100%);
    border: 1px solid var(--brand-primary);
    box-shadow: 0 4px 15px rgba(var(--brand-primary-rgb), 0.1);
    color: var(--brand-primary);
    width: 100%;
    font-weight: 700;
}
.btn-primary::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background: linear-gradient(135deg, var(--brand-primary) 0%, #0097a7 100%);
    z-index: -1;
    transition: opacity 0.3s ease;
    opacity: 0;
}
.btn-primary:hover {
    color: #fff;
    border-color: transparent;
    box-shadow: 0 8px 25px rgba(var(--brand-primary-rgb), 0.4), 0 0 15px rgba(var(--brand-primary-rgb), 0.2);
}
.btn-primary:hover::before {
    opacity: 1;
}

.btn-outline-primary {
    background: transparent;
    color: var(--brand-primary);
    border: 1px solid var(--brand-primary);
    box-shadow: none;
    transition: all 0.3s ease;
    border-radius: 12px;
    padding: 10px 20px;
    font-weight: 600;
}
.btn-outline-primary:hover {
    background: rgba(var(--brand-primary-rgb), 0.1);
    color: var(--brand-primary);
    border-color: var(--brand-primary);
    box-shadow: 0 0 15px rgba(var(--brand-primary-rgb), 0.3);
    transform: translateY(-2px);
}

.btn-success {
    background: rgba(var(--brand-secondary-rgb), 0.1);
    color: var(--brand-secondary);
    border: 1px solid var(--brand-secondary);
    box-shadow: 0 4px 15px rgba(var(--brand-secondary-rgb), 0.1);
}
.btn-success:hover {
    background: var(--brand-secondary);
    color: #fff;
    box-shadow: 0 8px 25px rgba(var(--brand-secondary-rgb), 0.3), 0 0 15px rgba(var(--brand-secondary-rgb), 0.2);
}

.btn-warning {
    background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    color: white;
    box-shadow: 0 5px 15px rgba(240, 147, 251, 0.4);
}
.btn-warning:hover {
    box-shadow: 0 8px 25px rgba(240, 147, 251, 0.5);
    color: white;
}

.btn-info {
    background: linear-gradient(135deg, #3498db 0%, #2980b9 100%);
    box-shadow: 0 5px 15px rgba(52, 152, 219, 0.4);
}
.btn-info:hover {
    box-shadow: 0 8px 25px rgba(52, 152, 219, 0.5);
}

.btn-light-theme {
    background: rgba(255, 255, 255, 0.95);
    color: #000000;
    border: 2px solid var(--brand-danger);
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}
.btn-light-theme:hover {
    background: var(--brand-danger);
    color: white;
}