:root {
    /* Colors */
    --color-bg: #f5f6fa;
    --color-text: #333;
    --color-heading: #2c3e50;
    --color-subheading: #34495e;
    --color-error: #e74c3c;
    --color-success: #27ae60;
    --color-danger: #c0392b;

    --color-primary: #3498db;
    --color-primary-hover: #2980b9;
    --color-primary-active: #1c5980;
    --color-secondary: #f18f1f;
    --color-secondary-hover: #ffa43c;
    --color-secondary-active: #c57315;
    --color-border-light: #ddd;
    --color-border-dark: #aaa;


    /* Shadows */
    --shadow-sm: 0 6px 16px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 8px 20px rgba(0, 0, 0, 0.10);
    --shadow-lg: 0 12px 24px rgba(0, 0, 0, 0.12);

    /* Radius */
    --radius-sm: 5px;
    --radius-md: 10px;

    /* Spacing */
    --space-xs: 8px;
    --space-sm: 12px;
    --space-md: 20px;
    --space-lg: 30px;
    --space-xl: 50px;

    /* Typography */
    --font-main: 'Segoe UI', Roboto, sans-serif;
}

body {
    font-family: var(--font-main);
    background: var(--color-bg);
    color: var(--color-text);
    margin: 0;
    padding: 0;
    line-height: 1.5;
}

.content {
    max-width: 1200px;
    margin: var(--space-xl) auto;
    padding: var(--space-md);
}

.container {
    max-width: 800px;
    margin: var(--space-xl) auto;
    padding: var(--space-md);
}

.rows {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-sm);
    margin-bottom: var(--space-md);
}

h1,
h2 {
    text-align: center;
    color: var(--color-heading);
}

h2 {
    margin-top: 0;
    margin-bottom: var(--space-sm);
    font-size: 2rem;
    font-weight: 500;
    line-height: 2rem;
}

p {
    margin-block-start: 0;
    scroll-margin-block-end: 0;
    width: 100%;
}

.menu-div {
    display: flex;
    flex-direction: column;
    align-items: center;
    width: 400px;
    margin: var(--space-lg) auto;
}

.card {
    background: #fff;
    border-radius: var(--radius-md);
    padding: 25px;
    box-shadow: var(--shadow-sm);
    transition: all 0.3s ease;
    margin-bottom: var(--space-md);
}

.card:hover {
    box-shadow: var(--shadow-md);
}

/* Fields */
.field {
    margin-bottom: var(--space-sm);
    padding: var(--space-sm);
    border-radius: var(--radius-sm);
    background: #f9fafb;
    display: flex;
    justify-content: space-between;
    box-shadow: var(--shadow-sm);
    transition: box-shadow 0.2s ease;
}

.field:hover {
    box-shadow: var(--shadow-md);
}

.field strong {
    color: var(--color-subheading);
}
.clr-primary {
    background: var(--color-primary);
    color: #fff;
}

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

.clr-primary:active {
    background: var(--color-primary-active);
}

.clr-secondary {
    background: var(--color-secondary);
    color: #fff;
    /* margin-top: var(--space-md); */
}

.clr-secondary:hover {
    background: var(--color-secondary-hover);
}

.clr-secondary:active {
    background: var(--color-secondary-active);
}

/* Alerts */
.alert {
    padding: 0.75rem 1rem;
    margin: var(--space-md) auto;
    line-height: 1.25;
    border-radius: var(--radius-sm);
    width: 100%;
    max-width: 400px;
    box-sizing: border-box;
    border-width: 1px;
    border-style: solid;
    /*font-weight: bold;*/
    text-align: center;
}

.alert-error,
.alert.alert-danger {
    color: #6b1922;
    background-color: #f7d5d7;
    border: 1px solid #e38e96;
}

.alert-success {
    color: #145222;
    background-color: #d1f0d9;
    border: 1px solid #87e49c;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 10px 20px;
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-size: 1rem;
    transition: background 0.2s ease;
}

.btn-primary {
    background: var(--color-primary);
    color: #fff;
}

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

.btn-primary:active {
    background: var(--color-primary-active);
}

.btn-secondary {
    background: var(--color-secondary);
    color: #fff;
    /* margin-top: var(--space-md); */
}

.btn-secondary:hover {
    background: var(--color-secondary-hover);
}

.btn-secondary:active {
    background: var(--color-secondary-active);
}

.btn-small {
    padding: .25rem .5rem;
    font-size: .875rem;
}

.wide {
    width: 100%;
}

/* Utility classes */
.center {
    text-align: center;
}

.no-margin {
    margin: 0;
}

.v-middle {
    vertical-align: middle;
}

.screenreader {
    position: absolute;
    clip: rect(0 0 0 0);
    height: 1px;
    width: 1px;
    padding: 0;
    border: 0;
    overflow: hidden;
}

/* Tables */
table {
    width: 100%;
    max-width: 100%;
    margin-bottom: var(--space-lg);
    border-collapse: collapse;
}

.table-striped th,
td {
    padding: var(--space-sm);
}

.table-striped tr:nth-of-type(2n + 1) {
    background-color: #e1e1e1;
}

tr.v-middle>td {
    vertical-align: middle;
}

/* Forms */
input[type="text"],
input[type="email"],
input[type="password"] {
    height: auto;
    width: 100%;
    font-size: 1rem;
    padding: 0.5rem;
    box-sizing: border-box;
    border-radius: var(--radius-sm);
    border: 1px solid #ccc;
}

form {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-sm);
    margin: auto;
}

.login-form,
.logout-form,
.register-form,
.default-form {
    max-width: 340px;
    padding: 0 15px 15px 15px;
    margin: 0 auto var(--space-lg) auto;
    box-sizing: border-box;
    background: #fff;
    border-radius: var(--radius-md);
    padding: var(--space-md);
    box-shadow: var(--shadow-sm);
}


.login-form h2,
.register-form h2 {
    color: var(--color-heading);
    text-align: center;
    margin-bottom: var(--space-md);
}

/* Cell Layout */
.cell {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-width: 110px;
    margin: 0 12px;
}

.cell-label {
    font-size: 0.95rem;
    color: var(--color-subheading);
    margin-bottom: 2px;
    text-align: center;
}

.cell-value {
    font-size: 1.15rem;
    font-weight: 500;
    color: var(--color-heading);
    text-align: center;
}

.field.click-row {
    cursor: pointer;
    transition: box-shadow 0.2s, background 0.2s;
}

.field.click-row:hover {
    background: #f0f6ff;
    box-shadow: var(--shadow-md);
}

/* Styled select */

.styled-select {
    padding: 0.5rem 1rem;
    border-radius: var(--radius-sm);
    border: 1px solid var(--color-border-light);
    font-size: 1rem;
    background: #fff;
    color: var(--color-text);
    transition: border-color 0.2s;
    outline: none;
    margin-top: 8px;
    margin-bottom: 8px;
    box-sizing: border-box;
}

.styled-select:focus {
    border-color: var(--color-primary);
}

.panelOption {
    display: block;
    background: #fff;
    padding: var(--space-md);
    border-radius: var(--radius-md);
    box-sizing: border-box;
    width: 700px;
    max-width: auto;
    margin: 0 auto;
    margin-bottom: var(--space-lg);
    box-shadow: var(--shadow-sm);
    transition: box-shadow 0.3s ease;
}

.panelOption:hover {
    box-shadow: var(--shadow-md);
}