/**
 * Einheitliche Button-Styles für mary4me.de
 * Sorgt für konsistente Buttons auf allen Seiten
 */

:root {
    /* Button-spezifische Variablen */
    --btn-font-family: 'Poppins', 'Nunito', sans-serif;
    --btn-font-size: 1rem;
    --btn-font-weight: 600;
    --btn-padding: 0.875rem 2rem;
    --btn-border-radius: 50px;
    --btn-transition: all 0.3s ease;

    /* Button-Größen */
    --btn-sm-font-size: 0.875rem;
    --btn-sm-padding: 0.625rem 1.5rem;

    --btn-lg-font-size: 1.125rem;
    --btn-lg-padding: 1rem 2.5rem;

    --btn-xl-font-size: 1.25rem;
    --btn-xl-padding: 1.25rem 3rem;
}

/* =====================================
   BASE BUTTON STYLES
   ===================================== */

.btn,
button.btn,
a.btn,
input[type="submit"].btn,
input[type="button"].btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;

    font-family: var(--btn-font-family);
    font-size: var(--btn-font-size);
    font-weight: var(--btn-font-weight);
    line-height: 1.5;
    text-align: center;
    text-decoration: none;
    white-space: nowrap;
    vertical-align: middle;

    padding: var(--btn-padding);
    border: 2px solid transparent;
    border-radius: var(--btn-border-radius);

    cursor: pointer;
    user-select: none;
    transition: var(--btn-transition);

    /* Prevent text selection */
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
}

.btn:focus,
button.btn:focus,
a.btn:focus {
    outline: none;
    box-shadow: 0 0 0 3px rgba(255, 102, 178, 0.3);
}

.btn:disabled,
button.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    pointer-events: none;
}

/* =====================================
   BUTTON VARIANTS
   ===================================== */

/* Primary Button (Pink-Blue Gradient) */
.btn-primary {
    background: linear-gradient(135deg, var(--primary-pink), var(--primary-blue));
    color: var(--white);
    border-color: transparent;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(255, 102, 178, 0.4);
}

.btn-primary:active {
    transform: translateY(0);
    box-shadow: 0 4px 12px rgba(255, 102, 178, 0.3);
}

/* Secondary Button (Gray) */
.btn-secondary {
    background: var(--gray-light);
    color: var(--gray-dark);
    border-color: var(--gray-light);
}

.btn-secondary:hover {
    background: var(--gray-medium);
    color: var(--white);
    border-color: var(--gray-medium);
}

/* Outline Button */
.btn-outline-primary {
    background: transparent;
    color: var(--primary-pink);
    border-color: var(--primary-pink);
}

.btn-outline-primary:hover {
    background: var(--primary-pink);
    color: var(--white);
}

.btn-outline-secondary {
    background: transparent;
    color: var(--gray-dark);
    border-color: var(--gray-medium);
}

.btn-outline-secondary:hover {
    background: var(--gray-dark);
    color: var(--white);
    border-color: var(--gray-dark);
}

/* Pink Button */
.btn-pink {
    background: var(--primary-pink);
    color: var(--white);
    border-color: var(--primary-pink);
}

.btn-pink:hover {
    background: #ff3399;
    border-color: #ff3399;
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(255, 102, 178, 0.4);
}

/* Blue Button */
.btn-blue {
    background: var(--primary-blue);
    color: var(--white);
    border-color: var(--primary-blue);
}

.btn-blue:hover {
    background: #0066ff;
    border-color: #0066ff;
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(51, 153, 255, 0.4);
}

/* Success Button */
.btn-success {
    background: var(--success);
    color: var(--white);
    border-color: var(--success);
}

.btn-success:hover {
    background: #218838;
    border-color: #218838;
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(40, 167, 69, 0.4);
}

/* Danger Button */
.btn-danger {
    background: var(--danger);
    color: var(--white);
    border-color: var(--danger);
}

.btn-danger:hover {
    background: #c82333;
    border-color: #c82333;
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(220, 53, 69, 0.4);
}

/* Warning Button */
.btn-warning {
    background: var(--warning);
    color: var(--gray-dark);
    border-color: var(--warning);
}

.btn-warning:hover {
    background: #e0a800;
    border-color: #e0a800;
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(255, 193, 7, 0.4);
}

/* Light Button */
.btn-light {
    background: var(--white);
    color: var(--gray-dark);
    border-color: #dee2e6;
}

.btn-light:hover {
    background: var(--gray-light);
    border-color: #c3c7cc;
}

/* =====================================
   BUTTON SIZES
   ===================================== */

/* Small Button */
.btn-sm {
    font-size: var(--btn-sm-font-size);
    padding: var(--btn-sm-padding);
}

/* Large Button */
.btn-lg {
    font-size: var(--btn-lg-font-size);
    padding: var(--btn-lg-padding);
}

/* Extra Large Button */
.btn-xl {
    font-size: var(--btn-xl-font-size);
    padding: var(--btn-xl-padding);
}

/* =====================================
   BUTTON WIDTHS
   ===================================== */

/* Full-Width Button */
.btn-block {
    display: flex;
    width: 100%;
}

/* =====================================
   BUTTON GROUPS
   ===================================== */

.btn-group {
    display: inline-flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.btn-group-vertical {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

/* =====================================
   SPECIAL BUTTON STYLES
   ===================================== */

/* Icon Buttons */
.btn-icon {
    padding: 0.75rem;
    aspect-ratio: 1;
}

.btn-icon-text {
    display: inline-flex;
    align-items: center;
    gap: 0.625rem;
}

.btn-icon-text i,
.btn-icon-text svg {
    font-size: 1.125em;
}

/* Loading State */
.btn-loading {
    position: relative;
    pointer-events: none;
    opacity: 0.7;
}

.btn-loading::after {
    content: '';
    position: absolute;
    width: 16px;
    height: 16px;
    top: 50%;
    left: 50%;
    margin-left: -8px;
    margin-top: -8px;
    border: 2px solid currentColor;
    border-right-color: transparent;
    border-radius: 50%;
    animation: btn-spin 0.6s linear infinite;
}

@keyframes btn-spin {
    to { transform: rotate(360deg); }
}

/* =====================================
   RESPONSIVE BUTTON STYLES
   ===================================== */

@media (max-width: 768px) {
    .btn {
        font-size: 0.9375rem;
        padding: 0.75rem 1.5rem;
    }

    .btn-sm {
        font-size: 0.8125rem;
        padding: 0.5rem 1.25rem;
    }

    .btn-lg {
        font-size: 1rem;
        padding: 0.875rem 2rem;
    }

    .btn-xl {
        font-size: 1.125rem;
        padding: 1rem 2.25rem;
    }

    /* Mobile-friendly full-width option */
    .btn-mobile-block {
        display: flex;
        width: 100%;
    }
}

@media (max-width: 480px) {
    .btn {
        font-size: 0.875rem;
        padding: 0.625rem 1.25rem;
    }

    /* Even more compact on very small screens */
    .btn-sm {
        font-size: 0.75rem;
        padding: 0.5rem 1rem;
    }
}

/* =====================================
   COMPATIBILITY & OVERRIDES
   ===================================== */

/* Ensure buttons don't inherit unwanted styles */
.btn,
button.btn,
a.btn,
input[type="submit"].btn,
input[type="button"].btn {
    background-clip: padding-box;
    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none;
}

/* Remove default button styles */
button.btn::-moz-focus-inner,
input[type="submit"].btn::-moz-focus-inner,
input[type="button"].btn::-moz-focus-inner {
    padding: 0;
    border: 0;
}

/* Prevent double-click text selection */
.btn::selection {
    background: transparent;
}