/**
 * beevalue Newsletter Pro – Frontend CSS v2.0
 * SDG-inspiriertes Design, Eyecatcher Hintergrund
 */

:root {
    --bv-deep-blue: #102139;
    --bv-sky-glow: #5BA3D0;
    --bv-sky-light: #a8d5f2;
    --bv-honey: #C48F1C;
    --bv-honey-light: #e0ab3f;
    --bv-bg-paper: #fdfbf7;
    --bv-bg-alt: #f7f4ed;
    --bv-text-dark: #1e293b;
    --bv-text-muted: #64748b;
    --bv-success: #2e7d32;
    --bv-radius: 16px;
    /* SDG Farben */
    --sdg-red: #E5243B;
    --sdg-amber: #DDA63A;
    --sdg-green: #4C9F38;
    --sdg-cyan: #26BDE2;
    --sdg-lime: #56C02B;
    --sdg-blue: #0A97D9;
    --sdg-navy: #19486A;
}

/* ===== WRAPPER ===== */
.bv-nl-wrapper {
    max-width: 520px;
    margin: 40px auto;
    font-family: 'Open Sans', -apple-system, BlinkMacSystemFont, sans-serif;
}

.bv-nl-form {
    background: #ffffff;
    border-radius: var(--bv-radius);
    overflow: hidden;
    box-shadow: 0 8px 40px rgba(16, 33, 57, 0.12);
    position: relative;
}

/* ===== HEADER with SDG Eyecatcher ===== */
.bv-nl-header {
    background: linear-gradient(135deg, 
        #E5243B 0%, #DDA63A 14%, #4C9F38 28%, #C5192D 42%, 
        #26BDE2 57%, #FCC30B 71%, #56C02B 85%, #0A97D9 100%
    );
    background-size: 400% 400%;
    animation: sdgShift 12s ease infinite;
    padding: 35px 30px 25px;
    text-align: center;
    position: relative;
}

.bv-nl-header::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(16,33,57,0.55) 0%, rgba(16,33,57,0.75) 100%);
}

@keyframes sdgShift {
    0% { background-position: 0% 50% }
    50% { background-position: 100% 50% }
    100% { background-position: 0% 50% }
}

/* Newsletter Icon */
.bv-nl-header-icon {
    width: 50px;
    height: 50px;
    margin: 0 auto 12px;
    border-radius: 50%;
    background: linear-gradient(135deg, #5BA3D0, #102139);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    box-shadow: 0 4px 15px rgba(91, 163, 208, 0.3);
    position: relative;
    z-index: 2;
}

.bv-nl-title {
    font-size: 1.5rem;
    color: #ffffff;
    margin: 0 0 6px;
    font-weight: 700;
    position: relative;
    z-index: 2;
}

.bv-nl-subtitle {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.85);
    margin: 0;
    font-weight: 400;
    position: relative;
    z-index: 2;
}

/* ===== SDG Divider Bar ===== */
.bv-nl-header + .bv-nl-fields::before {
    content: '';
    display: block;
    height: 4px;
    background: linear-gradient(90deg, #E5243B, #DDA63A, #4C9F38, #26BDE2, #56C02B, #0A97D9, #19486A);
}

/* ===== FIELDS ===== */
.bv-nl-fields {
    padding: 0;
}

.bv-nl-fields > * {
    padding-left: 30px;
    padding-right: 30px;
}

.bv-nl-fields > *:first-child {
    padding-top: 25px;
}

.bv-nl-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}

.bv-nl-group {
    margin-bottom: 14px;
    position: relative;
}

.bv-nl-input {
    width: 100%;
    padding: 14px 16px;
    border: 2px solid #e5e1d5;
    border-radius: 10px;
    font-size: 0.95rem;
    font-family: inherit;
    background: var(--bv-bg-paper);
    color: var(--bv-text-dark);
    transition: all 0.3s ease;
    box-sizing: border-box;
}

.bv-nl-input:focus {
    outline: none;
    border-color: var(--bv-sky-glow);
    background: #ffffff;
    box-shadow: 0 0 0 4px rgba(91, 163, 208, 0.15);
}

.bv-nl-input.is-valid {
    border-color: var(--bv-success);
}

.bv-nl-input.is-invalid {
    border-color: var(--sdg-red);
}

.bv-nl-input::placeholder {
    color: #94a3b8;
}

.bv-nl-error-hint {
    display: none;
    font-size: 0.8rem;
    color: var(--sdg-red);
    margin-top: 4px;
    padding-left: 4px;
}

.bv-nl-input.is-invalid + .bv-nl-error-hint {
    display: block;
}

/* ===== CHECKBOX ===== */
.bv-nl-group-checkbox {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    padding: 0 30px 20px;
    font-size: 0.8rem;
    color: var(--bv-text-muted);
    line-height: 1.4;
}

.bv-nl-group-checkbox input[type="checkbox"] {
    margin-top: 2px;
    accent-color: var(--bv-sky-glow);
    width: 18px;
    height: 18px;
    flex-shrink: 0;
}

.bv-nl-group-checkbox a {
    color: var(--bv-sky-glow);
    text-decoration: underline;
}

/* ===== SUBMIT BUTTON ===== */
.bv-nl-btn {
    display: block;
    width: calc(100% - 60px);
    margin: 0 30px 20px;
    padding: 16px;
    border: none;
    border-radius: 12px;
    font-size: 1.05rem;
    font-weight: 700;
    font-family: inherit;
    color: #ffffff;
    cursor: pointer;
    position: relative;
    overflow: hidden;
    background: linear-gradient(135deg, var(--bv-deep-blue) 0%, var(--bv-sky-glow) 100%);
    transition: all 0.4s ease;
}

.bv-nl-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(91, 163, 208, 0.35);
}

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

.bv-nl-btn.loading {
    pointer-events: none;
    opacity: 0.8;
}

.bv-nl-btn.loading .bv-btn-text {
    opacity: 0;
}

.bv-nl-btn.loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 24px;
    height: 24px;
    margin: -12px 0 0 -12px;
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-top-color: #fff;
    border-radius: 50%;
    animation: spin 0.7s linear infinite;
}

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

/* ===== BENEFITS BAR ===== */
.bv-nl-benefits {
    display: flex;
    justify-content: center;
    gap: 16px;
    padding: 15px 30px 20px;
    font-size: 0.78rem;
    color: var(--bv-text-muted);
    flex-wrap: wrap;
}

.bv-nl-benefits span {
    white-space: nowrap;
}

/* ===== FEEDBACK ===== */
.bv-nl-feedback {
    display: none;
    margin: 0 30px 20px;
    padding: 16px;
    border-radius: 10px;
    font-size: 0.9rem;
    text-align: center;
    line-height: 1.5;
}

.bv-nl-feedback.success {
    display: block;
    background: linear-gradient(135deg, #e8f5e9, #f1f8e9);
    color: var(--bv-success);
    border: 1px solid #c8e6c9;
}

.bv-nl-feedback.error {
    display: block;
    background: #fef2f2;
    color: #dc2626;
    border: 1px solid #fecaca;
}

/* ===== COMPACT VARIANT (for sidebar/footer) ===== */
.bv-nl-compact .bv-nl-form {
    border-radius: 12px;
}

.bv-nl-compact .bv-nl-header {
    padding: 20px 20px 15px;
}

.bv-nl-compact .bv-nl-header-icon {
    width: 35px;
    height: 35px;
    font-size: 18px;
    margin-bottom: 8px;
}

.bv-nl-compact .bv-nl-title {
    font-size: 1.1rem;
}

.bv-nl-compact .bv-nl-subtitle {
    font-size: 0.8rem;
}

.bv-nl-compact .bv-nl-fields > * {
    padding-left: 20px;
    padding-right: 20px;
}

.bv-nl-compact .bv-nl-row {
    grid-template-columns: 1fr;
    gap: 0;
}

.bv-nl-compact .bv-nl-btn {
    width: calc(100% - 40px);
    margin: 0 20px 15px;
    padding: 12px;
    font-size: 0.9rem;
}

.bv-nl-compact .bv-nl-group-checkbox {
    padding: 0 20px 15px;
}

.bv-nl-compact .bv-nl-benefits {
    display: none;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 600px) {
    .bv-nl-wrapper {
        margin: 20px 15px;
    }

    .bv-nl-row {
        grid-template-columns: 1fr;
        gap: 0;
    }

    .bv-nl-header {
        padding: 25px 20px 20px;
    }

    .bv-nl-title {
        font-size: 1.25rem;
    }

    .bv-nl-fields > * {
        padding-left: 20px;
        padding-right: 20px;
    }

    .bv-nl-btn {
        width: calc(100% - 40px);
        margin: 0 20px 15px;
    }

    .bv-nl-benefits {
        flex-direction: column;
        align-items: center;
        gap: 6px;
    }
}