/**
 * Calculadora Binaria y Hexadecimal — iDiUtils.com
 * /assets/css/calculadora-binaria-hexadecimal.css
 */

.binhex-container {
    display: flex;
    flex-direction: column;
    gap: 2rem;
    width: 100%;
}

.binhex-card {
    background: var(--color-bg-card, #ffffff);
    border: 1px solid var(--color-border, #e2e8f0);
    border-radius: var(--border-radius-lg, 16px);
    padding: 1.75rem;
    box-shadow: var(--shadow-sm, 0 1px 3px rgba(0,0,0,0.05));
    transition: var(--transition-fast, all 0.2s ease);
}

.binhex-card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-bottom: 1.25rem;
    padding-bottom: 0.75rem;
    border-bottom: 1px solid var(--color-border, #e2e8f0);
}

.binhex-card-title {
    font-size: 1.2rem;
    font-weight: 800;
    color: var(--color-text-primary, #0f172a);
    margin: 0;
    display: flex;
    align-items: center;
    gap: 10px;
}

.binhex-card-title i {
    color: var(--color-cyan, #06b6d4);
    font-size: 1.15rem;
}

/* Input Fields */
.binhex-input-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    margin-bottom: 1.25rem;
    position: relative;
}

.binhex-input-label {
    font-size: 0.88rem;
    font-weight: 700;
    color: var(--color-text-primary, #0f172a);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.binhex-input-wrapper {
    position: relative;
    display: flex;
    align-items: center;
}

.binhex-input {
    width: 100%;
    font-family: 'SFMono-Regular', Consolas, 'Liberation Mono', Menlo, Courier, monospace;
    font-size: 1.1rem;
    font-weight: 600;
    letter-spacing: 0.5px;
    padding: 12px 14px;
    border: 2px solid var(--color-border, #cbd5e1);
    border-radius: var(--border-radius-md, 10px);
    background: var(--color-bg-input, #ffffff);
    color: var(--color-text-primary, #0f172a);
    transition: border-color 0.2s, box-shadow 0.2s;
    box-sizing: border-box;
}

.binhex-input:focus {
    outline: none;
    border-color: var(--color-primary, #3b82f6);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.2);
}

.binhex-input.is-invalid {
    border-color: #ef4444 !important;
    background-color: rgba(239, 68, 68, 0.03);
}

/* Feedback message */
.binhex-error-msg {
    font-size: 0.82rem;
    color: #ef4444;
    font-weight: 600;
    display: none;
    align-items: center;
    gap: 6px;
    margin-top: 4px;
}

.binhex-error-msg.visible {
    display: flex;
}

/* Results Grid (4 bases) */
.binhex-results-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
    margin-top: 1rem;
}

.binhex-result-card {
    background: var(--color-bg-light, #f8fafc);
    border: 1px solid var(--color-border, #e2e8f0);
    border-radius: var(--border-radius-md, 12px);
    padding: 1rem;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    transition: transform 0.15s, border-color 0.15s;
    position: relative;
    overflow: hidden;
}

.binhex-result-card.card-bin { border-left: 4px solid #06b6d4; }
.binhex-result-card.card-oct { border-left: 4px solid #f59e0b; }
.binhex-result-card.card-dec { border-left: 4px solid #10b981; }
.binhex-result-card.card-hex { border-left: 4px solid #8b5cf6; }

.binhex-result-card:hover {
    border-color: var(--color-primary, #3b82f6);
}

.binhex-result-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 0.5rem;
}

.binhex-result-badge {
    font-size: 0.72rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    padding: 2px 8px;
    border-radius: 4px;
}

.badge-bin { background: rgba(6, 182, 212, 0.12); color: #0891b2; }
.badge-oct { background: rgba(245, 158, 11, 0.12); color: #d97706; }
.badge-dec { background: rgba(16, 185, 129, 0.12); color: #059669; }
.badge-hex { background: rgba(139, 92, 246, 0.12); color: #7c3aed; }

.binhex-result-val {
    font-family: 'SFMono-Regular', Consolas, 'Liberation Mono', Menlo, Courier, monospace;
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--color-text-primary, #0f172a);
    word-break: break-all;
    overflow-wrap: anywhere;
    line-height: 1.4;
    margin: 0.25rem 0 0.75rem 0;
    min-height: 1.6rem;
    user-select: all;
}

.binhex-result-actions {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 6px;
    margin-top: auto;
}

.btn-copy-mini {
    background: var(--color-bg-card, #ffffff);
    border: 1px solid var(--color-border, #cbd5e1);
    color: var(--color-text-secondary, #475569);
    border-radius: 6px;
    padding: 4px 10px;
    font-size: 0.75rem;
    font-weight: 700;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 4px;
    transition: all 0.15s ease;
}

.btn-copy-mini:hover {
    border-color: var(--color-primary, #3b82f6);
    color: var(--color-primary, #3b82f6);
}

.btn-copy-mini.copied {
    background: #10b981;
    border-color: #10b981;
    color: #ffffff;
}

/* Operations Calculator Section */
.calc-operands-row {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    gap: 1rem;
    align-items: center;
    margin-bottom: 1.25rem;
}

.calc-op-selector-wrap {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
    padding-top: 1.5rem;
}

.calc-op-select {
    font-size: 1.15rem;
    font-weight: 800;
    padding: 10px 14px;
    border-radius: var(--border-radius-md, 10px);
    border: 2px solid var(--color-border, #cbd5e1);
    background: var(--color-bg-input, #ffffff);
    color: var(--color-primary, #3b82f6);
    cursor: pointer;
    text-align: center;
}

.calc-op-select:focus {
    outline: none;
    border-color: var(--color-primary, #3b82f6);
}

.calc-toolbar {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    margin-bottom: 1.5rem;
}

.calc-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.btn-calc-main {
    background: var(--color-primary, #3b82f6);
    color: #ffffff;
    border: none;
    border-radius: var(--border-radius-md, 10px);
    padding: 10px 20px;
    font-size: 0.95rem;
    font-weight: 800;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: all 0.2s ease;
    box-shadow: 0 2px 6px rgba(59, 130, 246, 0.3);
}

.btn-calc-main:hover {
    background: #2563eb;
    transform: translateY(-1px);
    box-shadow: 0 4px 10px rgba(59, 130, 246, 0.4);
}

.btn-calc-secondary {
    background: var(--color-bg-light, #f8fafc);
    border: 1px solid var(--color-border, #cbd5e1);
    color: var(--color-text-secondary, #475569);
    border-radius: var(--border-radius-md, 10px);
    padding: 10px 14px;
    font-size: 0.88rem;
    font-weight: 700;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    transition: all 0.15s ease;
}

.btn-calc-secondary:hover {
    border-color: var(--color-primary, #3b82f6);
    color: var(--color-primary, #3b82f6);
}

/* Responsive Styles */
@media (max-width: 767px) {
    .binhex-card {
        padding: 1.25rem 1rem;
    }

    .binhex-results-grid {
        grid-template-columns: 1fr;
        gap: 0.75rem;
    }

    .calc-operands-row {
        grid-template-columns: 1fr;
        gap: 0.75rem;
    }

    .calc-op-selector-wrap {
        padding-top: 0;
    }

    .binhex-input {
        font-size: 16px; /* Prevents auto-zoom on iOS */
    }

    .btn-calc-main, .btn-calc-secondary {
        width: 100%;
        justify-content: center;
    }
}