:root {
    --surface: var(--white);
    --surface-2: #f8fafc;
    --surface-border: rgba(0, 0, 0, 0.12);
    --surface-shadow: 0 12px 30px rgba(0, 0, 0, 0.18);

    --navy-blue: #0A2240;
    --light-blue: #3E84F2;
    --white: #FFFFFF;
    --background-gray: #F4F7FA;
    --border-gray: #E0E0E0;
    --text-dark: #333333;
    --text-light: #777777;
    /* Gradiente padrão (substituir em temas) */
    --gradient-1: var(--light-blue);
    --gradient-2: #5a9ff7;
    --font-family: "Inter", "Roboto", system-ui, -apple-system, "Segoe UI", sans-serif;

    --hier-card-height: 64px;
    --hier-row-gap: 3.5rem;
    --hier-line-length: var(--hier-row-gap);

    --danger-red: #ef4444;
    --danger-red-dark: #b91c1c;
    --danger-gradient: linear-gradient(135deg, var(--danger-red), var(--danger-red-dark));
}



/* Reset Básico e Estilos Globais */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: var(--font-family), sans-serif;
    background-color: var(--background-gray);
    color: var(--text-dark);
}

/*
------------------------------
        Theme buttons
------------------------------
*/
.btn-secondary,
.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 12px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    text-decoration: none;
    box-shadow: 0 4px 12px rgba(62, 132, 242, 0.3);
}

.btn-secondary {
    background: #f8fafc;
    color: #475569;
    border: 1px solid #e2e8f0;
}

.btn-secondary:hover {
    background: #e2e8f0;
}

.btn-primary {
    background: linear-gradient(135deg, #3b82f6, #1d4ed8);
    color: white;
}

.btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.3);
}

.btn-variant-green {
    background: linear-gradient(135deg, #10b981, #059669);
}

.btn-variant-green:hover {
    box-shadow: 0 4px 12px rgba(16, 185, 129, 0.3);
}

.btn-variant-red {
    background: linear-gradient(135deg, #ef4444, #b91c1c);
}

.btn-variant-red:hover {
    box-shadow: 0 4px 12px rgba(239, 68, 68, 0.3);
}

/* Small */
.btn-sm {
    padding: 0.45rem 0.9rem;
    border-radius: 10px;
    font-size: 0.85rem;
}

/* Forms */
.field-row {
    display: block;
}

.field-label {
    display: block;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-light);
    margin-bottom: 0.5rem;
}

.field-input {
    width: 100%;
    border: 1px solid var(--border-gray);
    border-radius: 10px;
    padding: 7px 10px;
    background: var(--white);
    color: var(--text-dark);
    font: inherit;
    outline: none;
    line-height: 1.2;
}

.field-input:focus {
    border-color: var(--light-blue);
}


/* Estilos para toasts */
.toast {
    position: fixed;
    top: 20px;
    right: 20px;
    padding: 16px 24px;
    border-radius: 12px;
    color: white;
    font-weight: 500;
    font-size: 14px;
    z-index: 10000;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
    backdrop-filter: blur(10px);
    animation: slideInRight 0.3s ease-out, fadeOut 0.3s ease-out 2.7s;
    min-width: 300px;
    max-width: 400px;
    word-wrap: break-word;
}

.toast.success {
    background: linear-gradient(135deg, #10b981, #059669);
    border-left: 4px solid #047857;
}

.toast.error {
    background: linear-gradient(135deg, #ef4444, #dc2626);
    border-left: 4px solid #b91c1c;
}