/**
 * Tax Sparrow Steuerrechner - Styles
 * Exact match of demo.html styling
 */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap');

/* === CSS Variables - Tax Sparrow Brand === */
.tsr-calculator {
    /* Tax Sparrow Brand Colors */
    --midnight: #002028;
    --dark-orange: #f1861d;
    --medium-orange: #f7ac57;
    --light-orange: #fed388;

    /* Theme Colors */
    --primary: #001519;
    --secondary: #002028;
    --accent: #f1861d;
    --accent-hover: #d8760f;
    --accent-light: #f7ac57;
    --bg: #00121a;
    --card: #001a22;
    --card-hover: #002530;
    --text: #e5e5e5;
    --text-muted: #8ba5a5;
    --border: #003545;
    --success: #27ae60;
    --warning: #f7ac57;
}

/* === Reset within calculator === */
.tsr-calculator,
.tsr-calculator * {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* === Main Container === */
.tsr-calculator {
    font-family: 'Inter', 'Segoe UI', system-ui, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
    padding: 20px;
    border-radius: 16px;
    position: relative;
    overflow: hidden;
}

/* Crypto background pattern */
.tsr-calculator::before {
    content: '₿  Ξ  ◆  ⟠  ₿  Ξ  ◆  ⟠  ₿  Ξ  ◆  ⟠  ₿  Ξ  ◆  ⟠  ₿  Ξ  ◆  ⟠  ₿  Ξ  ◆  ⟠  ₿  Ξ  ◆  ⟠';
    position: absolute;
    top: -50px;
    left: -100px;
    width: 200%;
    height: 200%;
    font-size: 28px;
    font-weight: 300;
    color: rgba(241, 134, 29, 0.12);
    pointer-events: none;
    z-index: 0;
    white-space: pre-wrap;
    word-wrap: break-word;
    letter-spacing: 50px;
    line-height: 70px;
    transform: rotate(-8deg);
}

.tsr-calculator::after {
    content: '⟠  ◆  Ξ  ₿  ⟠  ◆  Ξ  ₿  ⟠  ◆  Ξ  ₿  ⟠  ◆  Ξ  ₿  ⟠  ◆  Ξ  ₿  ⟠  ◆  Ξ  ₿  ⟠  ◆  Ξ  ₿';
    position: absolute;
    top: 30px;
    left: 0px;
    width: 200%;
    height: 200%;
    font-size: 22px;
    font-weight: 300;
    color: rgba(247, 172, 87, 0.08);
    pointer-events: none;
    z-index: 0;
    white-space: pre-wrap;
    word-wrap: break-word;
    letter-spacing: 55px;
    line-height: 85px;
    transform: rotate(-8deg);
}

.tsr-calculator>* {
    position: relative;
    z-index: 1;
}

/* === Header === */
.tsr-header {
    background: linear-gradient(180deg, var(--secondary) 0%, var(--primary) 100%);
    border: 1px solid var(--border);
    color: white;
    padding: 30px 20px;
    text-align: center;
    border-radius: 16px;
    margin-bottom: 25px;
}

.tsr-header-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
}

.tsr-logo-container {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 15px;
}

.tsr-logo-container img {
    max-height: 100px;
    max-width: 280px;
    width: auto;
    object-fit: contain;
    filter: drop-shadow(0 0 15px rgba(241, 134, 29, 0.35));
}

.tsr-header h1 {
    font-size: 1.8em;
    font-weight: 700;
    letter-spacing: -0.5px;
    color: #f1861d;
}

.tsr-header p {
    color: var(--text-muted);
    font-size: 0.9em;
}

/* === Tabs === */
.tsr-tabs {
    display: flex;
    gap: 12px;
    margin-bottom: 20px;
}

.tsr-tab {
    flex: 1;
    padding: 16px;
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 12px;
    cursor: pointer;
    text-align: center;
    font-weight: 600;
    color: var(--text);
    transition: all 0.3s ease;
    font-family: inherit;
    font-size: inherit;
}

.tsr-tab:hover {
    border-color: var(--accent);
    background: var(--card-hover);
}

.tsr-tab.active {
    background: linear-gradient(135deg, var(--accent), var(--accent-hover));
    color: white;
    border-color: var(--accent);
    box-shadow: 0 4px 20px rgba(241, 134, 29, 0.3);
}

/* === Cards === */
.tsr-card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 25px;
    margin-bottom: 20px;
    transition: all 0.3s ease;
}

.tsr-card:hover {
    border-color: rgba(241, 134, 29, 0.3);
}

.tsr-card h2 {
    color: var(--text);
    margin-bottom: 20px;
    font-size: 1.1em;
    font-weight: 600;
    border-bottom: 2px solid var(--accent);
    padding-bottom: 10px;
}

/* === Form Elements === */
.tsr-form-group {
    margin-bottom: 18px;
}

.tsr-calculator label {
    display: block;
    margin-bottom: 6px;
    font-weight: 500;
    font-size: 0.9em;
    color: var(--text-muted);
}

.tsr-calculator input,
.tsr-calculator select {
    width: 100%;
    padding: 12px 14px;
    border: 1px solid var(--border);
    border-radius: 10px;
    font-size: 0.95em;
    background: var(--secondary);
    color: var(--text);
    transition: all 0.3s ease;
    font-family: inherit;
}

.tsr-calculator input::placeholder {
    color: var(--text-muted);
}

.tsr-calculator input:focus,
.tsr-calculator select:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(241, 134, 29, 0.1);
}

.tsr-calculator select option {
    background: var(--secondary);
    color: var(--text);
    padding: 8px;
}

/* === Row Layout === */
.tsr-row {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
}

.tsr-row>* {
    flex: 1;
    min-width: 180px;
}

.tsr-row-3>* {
    min-width: 150px;
}

/* === Buttons === */
.tsr-button {
    width: 100%;
    padding: 16px;
    background: linear-gradient(135deg, var(--accent), var(--accent-hover));
    color: white;
    border: none;
    border-radius: 12px;
    font-size: 1.05em;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(241, 134, 29, 0.3);
    font-family: inherit;
}

.tsr-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 25px rgba(241, 134, 29, 0.4);
}

/* === Section Title === */
.tsr-section-title {
    font-size: 0.8em;
    color: var(--accent);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin: 25px 0 12px 0;
    font-weight: 600;
}

/* === Results === */
.tsr-result {
    display: none;
}

.tsr-result-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
}

.tsr-result-item {
    background: var(--secondary);
    padding: 18px 12px;
    border-radius: 12px;
    text-align: center;
    border: 1px solid var(--border);
    transition: all 0.3s ease;
    min-height: 90px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.tsr-result-item:hover {
    border-color: var(--accent);
}

.tsr-result-item .tsr-label {
    font-size: 0.7em;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 6px;
}

.tsr-result-item .tsr-value {
    font-size: 1.2em;
    font-weight: 700;
    color: var(--text);
}

.tsr-result-item.highlight {
    background: linear-gradient(135deg, var(--accent), var(--accent-hover));
    border-color: var(--accent);
}

.tsr-result-item.highlight .tsr-label,
.tsr-result-item.highlight .tsr-value {
    color: #000;
    font-weight: 700;
}

.tsr-result-item.success {
    background: rgba(39, 174, 96, 0.15);
    border-color: var(--success);
}

.tsr-result-item.success .tsr-value {
    color: var(--success);
}

/* === Disclaimer === */
.tsr-disclaimer {
    background: rgba(243, 156, 18, 0.1);
    border: 1px solid rgba(243, 156, 18, 0.3);
    padding: 14px;
    border-radius: 10px;
    font-size: 0.82em;
    margin-top: 20px;
    color: var(--warning);
}

/* === Info Text === */
.tsr-info-text {
    font-size: 0.75em;
    color: var(--text-muted);
    margin-top: 4px;
    font-style: italic;
}

/* === Utilities === */
.tsr-hidden {
    display: none !important;
}

/* === Responsive === */
@media (max-width: 768px) {
    .tsr-tabs {
        flex-direction: column;
    }

    .tsr-row>* {
        min-width: 100%;
    }
}

@media (max-width: 600px) {
    .tsr-result-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .tsr-calculator {
        padding: 15px;
    }
}

/* === Scrollbar === */
.tsr-calculator ::-webkit-scrollbar {
    width: 8px;
}

.tsr-calculator ::-webkit-scrollbar-track {
    background: var(--bg);
}

.tsr-calculator ::-webkit-scrollbar-thumb {
    background: var(--border);
    border-radius: 4px;
}