/* CSS Document */

/* ==========================================================
   CALCULINVEST — DESIGN SYSTEM
   ========================================================== */

:root {

    /* ------------------------------------------------------
       COLORS
       ------------------------------------------------------ */

    --ci-color-background: #f5f7fa;
    --ci-color-surface: #ffffff;
    --ci-color-surface-soft: #f9fafb;

    --ci-color-text: #172033;
    --ci-color-text-muted: #667085;
    --ci-color-text-light: #98a2b3;

    --ci-color-border: #dfe5ec;
    --ci-color-border-soft: #edf0f3;

    --ci-color-primary: #2855d9;
    --ci-color-primary-hover: #2148bd;
    --ci-color-primary-soft: #eef3ff;

    --ci-color-accent: #18a875;
    --ci-color-accent-soft: #eaf8f3;

    --ci-color-danger: #d64545;
    --ci-color-danger-soft: #fdf0f0;

    --ci-color-warning: #a86e12;
    --ci-color-warning-soft: #fff7e5;


    /* ------------------------------------------------------
       TYPOGRAPHY
       ------------------------------------------------------ */

    --ci-font-family:
        Inter,
        system-ui,
        -apple-system,
        BlinkMacSystemFont,
        "Segoe UI",
        sans-serif;

    --ci-font-size-xs: 0.75rem;
    --ci-font-size-sm: 0.875rem;
    --ci-font-size-md: 1rem;
    --ci-font-size-lg: 1.125rem;
    --ci-font-size-xl: 1.5rem;
    --ci-font-size-2xl: 2rem;
    --ci-font-size-3xl: 2.5rem;

    --ci-line-height-tight: 1.2;
    --ci-line-height-normal: 1.5;
    --ci-line-height-relaxed: 1.7;


    /* ------------------------------------------------------
       SPACING
       ------------------------------------------------------ */

    --ci-space-1: 4px;
    --ci-space-2: 8px;
    --ci-space-3: 12px;
    --ci-space-4: 16px;
    --ci-space-5: 20px;
    --ci-space-6: 24px;
    --ci-space-8: 32px;
    --ci-space-10: 40px;
    --ci-space-12: 48px;
    --ci-space-16: 64px;


    /* ------------------------------------------------------
       BORDER RADIUS
       ------------------------------------------------------ */

    --ci-radius-sm: 6px;
    --ci-radius-md: 10px;
    --ci-radius-lg: 14px;


    /* ------------------------------------------------------
       SHADOWS
       ------------------------------------------------------ */

    --ci-shadow-card:
        0 4px 18px rgba(15, 23, 42, 0.045);


    /* ------------------------------------------------------
       WIDTHS
       ------------------------------------------------------ */

    --ci-container-width: 1100px;
    --ci-calculator-width: 940px;
}


/* ==========================================================
   RESET
   ========================================================== */

*,
*::before,
*::after {
    box-sizing: border-box;
}

html {
    font-size: 16px;
}

body {
    margin: 0;
    font-family: var(--ci-font-family);
    background: var(--ci-color-background);
    color: var(--ci-color-text);
    line-height: var(--ci-line-height-normal);
}

button,
input,
select,
textarea {
    font: inherit;
}

a {
    color: inherit;
    text-decoration: none;
}


/* ==========================================================
   BASE LAYOUT
   ========================================================== */

.ci-container {
    width: min(
        var(--ci-container-width),
        calc(100% - 40px)
    );

    margin-left: auto;
    margin-right: auto;
}


/* ==========================================================
   TYPOGRAPHY
   ========================================================== */

.ci-title {
    margin: 0;

    font-size: clamp(
        var(--ci-font-size-2xl),
        4vw,
        var(--ci-font-size-3xl)
    );

    line-height: var(--ci-line-height-tight);

    letter-spacing: -0.035em;
}

.ci-subtitle {
    margin: var(--ci-space-3) 0 0;

    color: var(--ci-color-text-muted);

    font-size: var(--ci-font-size-md);

    line-height: var(--ci-line-height-relaxed);
}

.ci-section-title {
    margin: 0;

    font-size: var(--ci-font-size-lg);

    font-weight: 700;
}

.ci-label-small {
    font-size: var(--ci-font-size-xs);

    text-transform: uppercase;

    letter-spacing: 0.08em;

    font-weight: 700;

    color: var(--ci-color-primary);
}


/* ==========================================================
   CARDS
   ========================================================== */

.ci-card {
    background: var(--ci-color-surface);

    border: 1px solid var(--ci-color-border);

    border-radius: var(--ci-radius-lg);

    box-shadow: var(--ci-shadow-card);
}

.ci-card-header {
    padding: var(--ci-space-5) var(--ci-space-6);

    border-bottom: 1px solid var(--ci-color-border-soft);
}

.ci-card-body {
    padding: var(--ci-space-6);
}


/* ==========================================================
   FORM ELEMENTS
   ========================================================== */

.ci-field {
    display: flex;
    flex-direction: column;

    gap: var(--ci-space-2);
}

.ci-field label {
    font-size: var(--ci-font-size-sm);

    font-weight: 650;
}

.ci-help {
    color: var(--ci-color-text-muted);

    font-size: var(--ci-font-size-xs);
}

.ci-input-wrapper {
    display: flex;

    align-items: stretch;

    background: var(--ci-color-surface);

    border: 1px solid var(--ci-color-border);

    border-radius: var(--ci-radius-md);

    transition:
        border-color 0.15s ease,
        box-shadow 0.15s ease;
}

.ci-input-wrapper:focus-within {
    border-color: var(--ci-color-primary);

    box-shadow:
        0 0 0 3px
        rgba(40, 85, 217, 0.08);
}

.ci-input {
    width: 100%;

    height: 46px;

    padding: 0 var(--ci-space-4);

    border: 0;

    outline: 0;

    background: transparent;

    color: var(--ci-color-text);

    font-weight: 550;
}

.ci-input-unit {
    min-width: 52px;

    padding: 0 var(--ci-space-3);

    display: flex;

    align-items: center;

    justify-content: center;

    border-left: 1px solid var(--ci-color-border-soft);

    color: var(--ci-color-text-muted);

    font-size: var(--ci-font-size-sm);

    background: var(--ci-color-surface-soft);
}


/* ==========================================================
   BUTTONS
   ========================================================== */

.ci-button {
    appearance: none;

    border: 0;

    cursor: pointer;

    border-radius: var(--ci-radius-md);

    height: 46px;

    padding: 0 var(--ci-space-5);

    font-weight: 700;

    transition:
        background 0.15s ease,
        transform 0.1s ease;
}

.ci-button-primary {
    background: var(--ci-color-primary);

    color: #ffffff;
}

.ci-button-primary:hover {
    background: var(--ci-color-primary-hover);
}

.ci-button-primary:active {
    transform: translateY(1px);
}


/* ==========================================================
   NOTICES
   ========================================================== */

.ci-notice {
    border-radius: var(--ci-radius-md);

    padding: var(--ci-space-4);

    font-size: var(--ci-font-size-sm);

    line-height: var(--ci-line-height-relaxed);
}

.ci-notice-info {
    background: var(--ci-color-primary-soft);

    color: #25428d;
}

.ci-notice-warning {
    background: var(--ci-color-warning-soft);

    color: #70501b;
}


/* ==========================================================
   TABLES
   ========================================================== */

.ci-table {
    width: 100%;

    border-collapse: collapse;

    font-size: var(--ci-font-size-sm);
}

.ci-table th,
.ci-table td {
    padding: var(--ci-space-3) var(--ci-space-4);

    border-bottom: 1px solid var(--ci-color-border-soft);

    text-align: right;
}

.ci-table th:first-child,
.ci-table td:first-child {
    text-align: left;
}

.ci-table th {
    background: var(--ci-color-surface-soft);

    color: var(--ci-color-text-muted);

    font-weight: 650;
}


/* ==========================================================
   RESPONSIVE
   ========================================================== */

@media (max-width: 700px) {

    .ci-container {
        width: min(
            100% - 24px,
            var(--ci-container-width)
        );
    }

    .ci-card-header,
    .ci-card-body {
        padding: var(--ci-space-5);
    }
}