/* ====== Standardized Button Styles ====== */

:root {
    --ease-premium: cubic-bezier(0.4, 0, 0.2, 1);
    --btn-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    --btn-shadow-hover: 0 10px 20px rgba(0, 0, 0, 0.15);
}

/* Base Button Reset & Shared Styles */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 10px 22px;
    font-size: 1rem;
    font-weight: 600;
    border-radius: 8px;
    transition: all 0.3s var(--ease-premium);
    box-shadow: var(--btn-shadow);
    border: 2px solid transparent;
    cursor: pointer;
    text-decoration: none;
    gap: 8px;
    position: relative;
    overflow: hidden;
}

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

.btn:active {
    transform: translateY(0);
    box-shadow: var(--btn-shadow);
}

/* Gold: Progress, Update, Add, Primary Action */
.btn-primary,
.btn-warning,
.btn-success,
.btn-primary-custom {
    background-color: var(--gold);
    border-color: var(--gold);
    color: var(--black);
}

.btn-primary:hover,
.btn-warning:hover,
.btn-success:hover,
.btn-primary-custom:hover,
.btn-primary:focus,
.btn-warning:focus,
.btn-success:focus,
.btn-primary-custom:focus {
    background-color: var(--gold-hover);
    border-color: var(--gold-hover);
    color: var(--white);
    box-shadow: 0 8px 25px var(--gold-glow);
    outline: none;
}

.btn-primary:active,
.btn-warning:active,
.btn-success:active,
.btn-primary-custom:active {
    background-color: var(--gold);
    border-color: var(--gold);
    transform: translateY(0);
}

/* Blue: Cold, View, Information */
.btn-info,
.btn-view {
    background-color: var(--cool-blue);
    border-color: var(--cool-blue);
    color: var(--white);
}

.btn-info:hover,
.btn-view:hover,
.btn-info:focus,
.btn-view:focus {
    background-color: var(--cool-blue-hover);
    border-color: var(--cool-blue-hover);
    color: var(--white);
    box-shadow: 0 8px 25px rgba(59, 130, 246, 0.3);
    outline: none;
}

.btn-info:active,
.btn-view:active {
    background-color: var(--cool-blue);
    border-color: var(--cool-blue);
    transform: translateY(0);
}

/* Burgundy: Danger, Delete, POI */
.btn-danger,
.btn-poi {
    background-color: var(--burgundy);
    border-color: var(--burgundy);
    color: var(--white);
}

.btn-danger:hover,
.btn-poi:hover,
.btn-danger:focus,
.btn-poi:focus {
    background-color: var(--burgundy-hover);
    border-color: var(--burgundy-hover);
    color: var(--white);
    box-shadow: 0 8px 25px var(--burgundy-glow);
    outline: none;
}

.btn-danger:active,
.btn-poi:active {
    background-color: var(--burgundy);
    border-color: var(--burgundy);
    transform: translateY(0);
}

/* Grey: Empty, Back, Secondary */
.btn-secondary,
.btn-back {
    background-color: var(--grey);
    border-color: var(--grey);
    color: var(--white);
}

.btn-secondary:hover,
.btn-back:hover,
.btn-secondary:focus,
.btn-back:focus {
    background-color: #5a6268;
    border-color: #545b62;
    color: var(--white);
    box-shadow: 0 8px 25px rgba(108, 117, 125, 0.3);
    outline: none;
}

.btn-secondary:active,
.btn-back:active {
    background-color: var(--grey);
    border-color: var(--grey);
    transform: translateY(0);
}

/* Size Variants */
.btn-sm {
    padding: 6px 14px;
    font-size: 0.85rem;
    border-radius: 6px;
}

/* Premium / Hero Large Variant */
.btn-lg {
    padding: 14px 32px;
    font-size: 1.1rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    border-radius: 50px;
    /* Pill shape for premium feel */
}

/* Specific Hero Overrides if needed, but keeping it semantic */
.btn-primary.btn-lg {
    box-shadow: 0 12px 30px var(--gold-glow);
}

.btn-primary.btn-lg:hover {
    background-color: var(--gold-hover);
    color: var(--white);
    box-shadow: 0 15px 40px var(--gold-glow);
}

/* Utility for spacing */
.btn-gap {
    margin: 5px;
}