:root {
    --brand: #002147;
    --brand-light: color-mix(in oklch, var(--brand) 90%, white);
    --background: #f7f7f7;
    --card-bg: #fff;
    --input-bg: #f7f7f7;
    --accent: #287796;
    --subtle: #717171;
    --border-color: hsl(0 1% 85% / 1);
    --body-font: #171717;
    --button-border-radius: 25px;

    --light-grey: #eaeaea;
    --dark-grey: #3b3b3b;
    --grey: #545454;
    --mid-grey: #6d6d6e;
    --mid-dark-grey: #868688;

    --card-padding: 2.5rem;
    --card-box-shadow: 0px 4px 20px 5px rgba(0, 0, 0, 0.03);
    --border-radius: 12px;
    --border-radius-full: calc(infinity * 1px);

    --bs-link-color: #0d66ea;

    --text-xs: 0.75rem;
    --text-sm: 0.875rem;
    --text-base: 1rem;
    --text-lg: 1.125rem;
    --text-xl: 1.25rem;

    --text-xs-line-height: calc(1 / 0.75);
    --text-sm-line-height: calc(1.25 / 0.875);
    --text-base-line-height: calc(1.5 / 1);
    --text-lg-line-height: calc(1.75 / 1.125);
    --text-xl-line-height: calc(1.75 / 1.25);
    --font-body: 'DM Sans', sans-serif;
}

body {
    margin: 0;
    font-family: var(--font-body);
    background-color: var(--background);
    color: var(--body-font);
}

.card {
    background-color: var(--card-bg);
    padding: var(--card-padding);
    border-radius: var(--border-radius);
    width: 100%;
    box-shadow: var(--card-box-shadow);
}

.card-title {
    color: var(--body-font);
    margin-bottom: 1rem;
}

.logo {
    text-align: center;
    font-size: 2rem;
    font-weight: 700;
}

.logo img {
    display: inline-block;
    max-width: 80vw;
    margin: 0 auto;
    width: 100%;
}

h1, h2, h3, h4, h5, h6 {
  color: var(--brand);
  line-height: 1.4em;
  padding: 0.4em 0;
}

.card h3 {
  padding-top: 0;
}

p {
  color: var(--body-font);
  font-size: 0.95rem;
  line-height: 1.4em;
  margin: 0.64em 0;
}

a {
    color: var(--accent);
    text-decoration: none;
}

.form-floating {
    margin: -15px;
}

.form-floating input {
    background-color: var(--input-bg);
    color: white;
    border: 1px solid var(--border-color);
}

.form-floating label {
    color: var(--subtle);
}

.form-check-label {
    color: var(--mid-grey);
}

.card-body {
    display: flex;
    flex-direction: column;
    /*gap: 1rem;*/
}

.card-footer {
    margin-left: -15px;
    margin-right: -15px;
}

button.btn,
input[type="submit"].btn {
    box-sizing: border-box;
    padding: 0.75rem 1rem;
    font-size: 1rem;
    font-weight: 600;
    line-height: 1.2;
    border-radius: var(--button-border-radius);
    text-align: center;
}

/* Primary */
button.btn-primary,
a.btn-primary,
input[type="submit"].btn-primary {
    background-color: var(--brand);
    color: var(--background);
    border: 1px solid var(--brand);
}

button.btn-primary:hover,
a.btn-primary:hover,
input[type="submit"].btn-primary:hover {
    background-color: var(--brand-light);
    color: var(--background);
    border: 1px solid var(--brand-light);
}

/* Outline */
button.btn-outline-primary,
a.btn-outline-primary,
input[type="submit"].btn-outline-primary {
    background-color: transparent;
    border: 1px solid var(--brand);
    color: var(--brand);
}

button.btn-outline-primary:hover,
a.btn-outline-primary:hover,
input[type="submit"].btn-outline-primary:hover {
    background-color: var(--brand-light);
    color: var(--background);
    border: 1px solid var(--brand-light);
}

input.form-control {
    background-color: var(--input-bg);
    border: 1px solid var(--border-color);
    color: var(--dark-grey);
    padding: 0.75rem;
    font-size: 1rem;
}

input.form-control::placeholder {
    color: var(--subtle);
}

.social-login-buttons {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.google-btn,
.apple-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    padding: 0.75rem;
    border-radius: 8px;
    font-weight: 600;
    font-size: 1rem;
    text-decoration: none;
    width: 100%;
}

.google-btn,
.apple-btn {
    background-color: #ffffff;
    color: #000000;
    border: 1px solid #ccc;
    border-radius: var(--button-border-radius);
}

.google-btn img {
    width: 20px;
    height: 20px;
}

.apple-btn {
    background-color: #000000;
    color: #ffffff;
    border: 1px solid #000;
}

.apple-btn img {
    width: 20px;
    height: 20px;
}

hr {
    margin: 5px;
    padding: 0;
}

.form-text {
    color: var(--grey);
}

.controls {
    display: flex;
    gap: 1rem;
    margin-top: 2rem;
    width: 100%;
}

.controls input[type="submit"] {
    flex: 1;
}

h5 {
    color: var(--body-font);
    margin-bottom: 1rem;
}

.alert:empty {
  background-color: transparent;
  border: 0;
  margin: 0;
  padding: 0;
}

/* Utilities */

.text-xs {
  font-size: var(--text-xs);
  line-height: var(--text-xs--line-height);
}

.text-sm {
  font-size: var(--text-sm);
  line-height: var(--text-sm--line-height);
}

.text-base {
  font-size: var(--text-base);
  line-height: var(--text-base--line-height);
}

.text-lg {
  font-size: var(--text-lg);
  line-height: var(--text-lg--line-height);
}

.text-xl {
  font-size: var(--text-xl);
  line-height: var(--text-xl--line-height);
}