/* ======================== */
/* 1. Root Variables & Themes */
/* ======================== */
:root {
  --sky: #0dcaf0;
  --blue: #0d6efd;
  --green: #28a745;
  --orange-light: #ffc107;
  --orange: #fd7e14;
  --red: #dc3545;
  
  --indigo: #6610f2;
  --purple: #6f42c1;
  --pink: #d63384;
  --yellow: #ffc107;
  --teal: #20c997;
  --cyan: #0dcaf0;
  
  --white: #fff;
  --grey-light: #f8f9fa;
  --grey: #6c757d;
  --black-light: #212529;
  --black: #000;

  --gray: #6c757d;
  --gray-dark: #343a40;
  --gray-100: #f8f9fa;
  --gray-200: #e9ecef;
  --gray-300: #dee2e6;
  --gray-400: #ced4da;
  --gray-500: #adb5bd;
  --gray-600: #6c757d;
  --gray-700: #495057;
  --gray-800: #343a40;
  --gray-900: #212529;

  --secondary-bg: #e9ecef;
  --tertiary-bg: #f8f9fa;
  --highlight-bg: #fff3cd;

  --primary-bg-subtle: #cfe2ff;
  --secondary-bg-subtle: #e2e3e5;
  --success-bg-subtle: #d1e7dd;
  --info-bg-subtle: #cff4fc;
  --warning-bg-subtle: #fff3cd;
  --danger-bg-subtle: #f8d7da;
  --light-bg-subtle: #fcfcfd;
  --dark-bg-subtle: #ced4da;

  --primary-text-emphasis: #052c65;
  --secondary-text-emphasis: #2b2f32;
  --success-text-emphasis: #0a3622;
  --info-text-emphasis: #055160;
  --warning-text-emphasis: #664d03;
  --danger-text-emphasis: #58151c;
  --light-text-emphasis: #495057;
  --dark-text-emphasis: #495057;

  --primary-border-subtle: #9ec5fe;
  --secondary-border-subtle: #c4c8cb;
  --success-border-subtle: #a3cfbb;
  --info-border-subtle: #9eeaf9;
  --warning-border-subtle: #ffe69c;
  --danger-border-subtle: #f1aeb5;
  --light-border-subtle: #e9ecef;
  --dark-border-subtle: #adb5bd;

  --gradient: linear-gradient(180deg, rgba(255, 255, 255, 0.15), rgba(255, 255, 255, 0));

  --link-color: #0d6efd;
  --link-decoration: underline;
  --link-hover-color: #0a58ca;
  --link-hover-color-rgb: 10, 88, 202;
  --code-color: #d63384;
  --highlight-color: #212529;

  --border-width: 1px;
  --border-style: solid;
  --border-color: #dee2e6;
  --border-color-translucent: rgba(0, 0, 0, 0.175);

  --border-radius: 0.375rem;
  --border-radius-sm: 0.25rem;
  --border-radius-lg: 0.5rem;
  --border-radius-xl: 1rem;
  --border-radius-xxl: 2rem;
  --border-radius-2xl: var(--border-radius-xxl);
  --border-radius-pill: 50rem;

  --box-shadow: 0 0.5rem 1rem rgba(0, 0, 0, 0.15);
  --box-shadow-sm: 0 0.125rem 0.25rem rgba(0, 0, 0, 0.075);
  --box-shadow-lg: 0 1rem 3rem rgba(0, 0, 0, 0.175);
  --box-shadow-inset: inset 0 1px 2px rgba(0, 0, 0, 0.075);

  --focus-ring-width: 0.25rem;
  --focus-ring-opacity: 0.25;
  --focus-ring-color: rgba(13, 110, 253, 0.25);

  --form-valid-color: #198754;
  --form-valid-border-color: #198754;
  --form-invalid-color: #dc3545;
  --form-invalid-border-color: #dc3545;
}

/* Add theme variants: orange, blue, green, teal, tomato, cyan, grey, purple */
/* ======================== */
:root[data-theme="orange"] {
    --light-x: #fff099; /* Table Odd */
    --light: #ffe866; /* Aside */
    --mid: #ffd700; /* NAVBAR, FOOTER */   
    --dark:#ffcc33; /* NAVBAR HOVER */
    --dark-x:#ffbf00; /* TABLE HOVER */
}

:root[data-theme="blue"] {
    --light-xx: rgba(217, 244, 255, 1);  /* #d9f4ff */
    --light-x:  rgba(204, 238, 255, 1);  /* #cceeff */
    --light:    rgba(184, 228, 255, 1);  /* #b8e4ff */
    --mid:      rgba(141, 217, 255, 1);  /* #8dd9ff */
    --dark:     rgba(20, 176, 255, 1);   /* #14b0ff */
    --dark-x:   rgba(0, 148, 249, 1);    /* #0094f9 */
    --dark-xx:  rgba(3, 116, 229, 1);    /* #0374e5 */
}

:root[data-theme="green"] {
    --light-x:  #F4FFB6;
    --light:    #BCE54A; /*LOCK*/
    --mid:      #87CC02; /*LOCK*/
    --dark:     #79BF00;/*LOCK*/
    --dark-x:   #75b801;/*LOCK*/
}

:root[data-theme="teal"] {
    --light-xx: rgba(196, 255, 247, 1);  /* #c4fff7 */
    --light-x:  rgba(163, 255, 242, 1);  /* #a3fff2 */
    --light:    rgba(133, 255, 238, 1);  /* #85ffee */
    --mid:      rgba(76, 240, 222, 1);   /* #4cf0de */
    --dark:     rgba(35, 215, 194, 1);   /* #23d7c2 */
    --dark-x:   rgba(0, 186, 163, 1);    /* #00baa3 */
    --dark-xx:  rgba(0, 153, 136, 1);    /* #009988 */
    --gradient: linear-gradient(180deg,var(--dark) 0%, var(--dark-x) 100%);
    --gradient-r: linear-gradient(0deg,var(--dark) 0%, var(--dark-x) 100%);
}

:root[data-theme="tomato"] {
    --light-xx: rgba(255, 224, 222, 1);  /* #ffe0de */
    --light-x:  rgba(255, 201, 195, 1);  /* #ffc9c3 */
    --light:    rgba(255, 181, 174, 1);  /* #ffb5ae */
    --mid:      rgba(255, 144, 138, 1);  /* #ff908a */
    --dark:     rgba(255, 92, 83, 1);    /* #ff5c53 */
    --dark-x:   rgba(255, 47, 34, 1);    /* #ff2f22 */
    --dark-xx:  rgba(224, 22, 8, 1);     /* #e01608 */
    --gradient: linear-gradient(180deg,var(--dark) 0%, var(--dark-x) 100%);
    --gradient-r: linear-gradient(0deg,var(--dark) 0%, var(--dark-x) 100%);
}

:root[data-theme="cyan"] {
    --light-xx: rgba(216, 255, 255, 1);  /* #d8ffff */
    --light-x:  rgba(179, 253, 255, 1);  /* #b3fdff */
    --light:    rgba(140, 247, 255, 1);  /* #8cf7ff */
    --mid:      rgba(85, 237, 255, 1);   /* #55edff */
    --dark:     rgba(30, 214, 230, 1);   /* #1ed6e6 */
    --dark-x:   rgba(0, 184, 212, 1);    /* #00b8d4 */
    --dark-xx:  rgba(0, 155, 184, 1);    /* #009bb8 */
    --gradient: linear-gradient(180deg,var(--dark) 0%, var(--dark-x) 100%);
    --gradient-r: linear-gradient(0deg,var(--dark) 0%, var(--dark-x) 100%);
}

:root[data-theme="grey"] {
    --light-xx: rgba(248, 248, 248, 1);  /* #f8f8f8 */
    --light-x:  rgba(245, 245, 245, 1);  /* #f5f5f5 */
    --light:    rgba(240, 240, 240, 1);  /* #f0f0f0 */
    --mid:      rgba(232, 232, 232, 1);  /* #e8e8e8 */
    --dark:     rgba(224, 224, 224, 1);  /* #e0e0e0 */
    --dark-x:   rgba(211, 211, 211, 1);  /* #d3d3d3 */
    --dark-xx:  rgba(192, 192, 192, 1);  /* #c0c0c0 */
    --gradient: linear-gradient(180deg,var(--dark) 0%, var(--dark-x) 100%);
    --gradient-r: linear-gradient(0deg,var(--dark) 0%, var(--dark-x) 100%);
}

:root[data-theme="purple"] {
    --light-xx: rgba(241, 226, 255, 1);  /* #f1e2ff */
    --light-x:  rgba(231, 201, 255, 1);  /* #e7c9ff */
    --light:    rgba(219, 172, 255, 1);  /* #dbacff */
    --mid:      rgba(203, 131, 255, 1);  /* #cb83ff */
    --dark:     rgba(180, 76, 255, 1);   /* #b44cff */
    --dark-x:   rgba(158, 26, 255, 1);   /* #9e1aff */
    --dark-xx:  rgba(124, 0, 224, 1);    /* #7c00e0 */
    
    --light-x: #e7c9ff;
    --light: #dbacff;
    --mid: #cb83ff;
    --dark: #b44cff;
    --dark-x: #7c00e0;
}

/* ======================== */
/* 2. Global Reset & Box-sizing */
/* ======================== */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

@media (prefers-reduced-motion: no-preference) {
  :root {
    scroll-behavior: smooth;
  }
}

/* ======================== */
/* 3. Font Setup - Material Symbols */
/* ======================== */
@font-face {
  font-family: 'Icons';
  font-style: normal;
  font-weight: 300;
  src: url(../fonts/icons.woff2) format('woff2');
}

.mso {
  font-family: 'Icons';
  font-size: 1.25em;
  vertical-align: sub;
}

/* ======================== */
/* 4. Base Elements */
/* ======================== */
html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  display: flex;
  flex-direction: column;
  font-family: Helvetica, Geneva, Verdana, sans-serif;
  font-size: 0.875rem;
  font-weight: 400;
  line-height: 1.25rem;
  color: var(--gray-600);
  width: 100%;
  height: 100dvh;
  overflow: hidden;
}

/* ======================== */
/* 5. Layout Elements */
/* ======================== */
main {
  display: flex;
  height: calc(100dvh - 3.25rem);
  background: grey;
}

footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 0.5rem;
  font-size: 0.75rem;
  height: 1.25rem;
  background: var(--mid);
  color: var(--white);
}

/* ======================== */
/* 6. Forms & Inputs */
/* ======================== */
input,
select,
textarea {
  border: none;
  color: var(--gray-600);
}

select option {
  color: var(--gray-700);
}

select option:hover,
select option:focus {
  background: var(--light-x);
}

input.no-arrow::-webkit-inner-spin-button,
input.no-arrow::-webkit-outer-spin-button {
  -webkit-appearance: none;
}

input[type=number] {
  text-align: right;
}

input:focus,
select:focus,
textarea:focus {
  background: var(--light-x) !important;
}

/* ======================== */
/* 7. Tables */
/* ======================== */
table {
  width: 100%;
  border-collapse: collapse;
}

/* ======================== */
/* 8. Buttons & Links */
/* ======================== */
button {
  transition: background 0.3s ease;
  border: none;
}

button:hover,
button:focus {
  cursor: pointer;
}

ol,
ul {
  list-style: none;
}

a {
  text-decoration: none;
}

:focus {
  outline: 0;
}

/* ======================== */
/* 9. Utility Classes */
/* ======================== */
.d-none {
  display: none !important;
}
/* ======================== */
/* 10. Override DataTable CSS */
/* ======================== */