/* Làm Đẹp Văn Bản (lamdepvanban.sonlt.page) | Được tạo bởi Lâm Thái Sơn (lamthaison.me) */

/* ============================================================================
   LIGHT MODE THEME VARIABLES
   ============================================================================ */
body.light-mode {
    --body-bg: #ffffff;
    --container-bg: #faf8f4;
    --text-primary: #2b2a28;
    --text-secondary: #736f6a;
    --border-medium: #d8d3b0;
    --button-primary-bg: #f1f3f4;
    --button-primary-text: #2b2a28;
    --button-secondary-bg: #eae7d7;
    --button-secondary-text: #2b2a28;
    --button-secondary-hover-bg: #ddd8bd;
    --button-red-bg: #ea4335;
    --button-red-text: #ffffff;
    --button-success-bg: #ffffff;
    --button-success-hover-bg: #ffffff;
    --button-success-text: #2b2a28;
    --input-focus-border: #d2c9a6;
    --input-focus-shadow: rgba(0, 0, 0, 0.08);
    --placeholder-focus-color: #2b2a28;
    --box-shadow-light: rgba(0, 0, 0, 0.06);
    --box-shadow-medium: rgba(0, 0, 0, 0.08);
    --scrollbar-bg: #1f2023;
    --scrollbar-thumb: #3d3f44;
    --scrollbar-thumb-hover: #46484f;
    --box-scrollbar-bg: transparent;
    --box-scrollbar-track: transparent;
    --box-scrollbar-thumb: #eae7d7;
    --box-scrollbar-thumb-hover: #ddd8bd;
    --notification-bg: #ffffff;
    --notification-text: #2b2a28;
}

/* ============================================================================
   DARK MODE THEME VARIABLES (Default)
   ============================================================================ */
body.dark-mode,
:root {
    --body-bg: #1f2023;
    --container-bg: #28292d;
    --text-primary: #e4e4e7;
    --text-secondary: #b0b0b9;
    --border-medium: #46484f;
    --button-primary-bg: #f1f3f4;
    --button-primary-text: #323232;
    --button-secondary-bg: #3d3f44;
    --button-secondary-text: #e9ebed;
    --button-secondary-hover-bg: #46484f;
    --button-red-bg: #ea4335;
    --button-red-text: #ffffff;
    --button-success-bg: #ffffff;
    --button-success-hover-bg: #ffffff;
    --button-success-text: #1f2023;
    --input-focus-border: #4f5159;
    --input-focus-shadow: rgba(0, 0, 0, 0.18);
    --placeholder-focus-color: #e4e4e7;
    --box-shadow-light: rgba(0, 0, 0, 0.18);
    --box-shadow-medium: rgba(0, 0, 0, 0.18);
    --scrollbar-bg: #1f2023;
    --scrollbar-thumb: #3d3f44;
    --scrollbar-thumb-hover: #46484f;
    --box-scrollbar-bg: transparent;
    --box-scrollbar-track: transparent;
    --box-scrollbar-thumb: #3d3f44;
    --box-scrollbar-thumb-hover: #46484f;
    --notification-bg: #f1f3f4;
    --notification-text: #323232;
}

body {
    font-family: "Merriweather",serif;
    font-size: 1rem;
    line-height: 1.5;
    font-optical-sizing: auto;
    font-variation-settings: "wdth" 100;
    background-color: var(--body-bg);
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='100%25' height='100%25' viewBox='0 0 1600 800' style='background-color: %231F2023;'%3E%3Cg%3E%3Cpath fill='%23212225' d='M486 705.8c-109.3-21.8-223.4-32.2-335.3-19.4C99.5 692.1 49 703 0 719.8V800h843.8c-115.9-33.2-230.8-68.1-347.6-92.2C492.8 707.1 489.4 706.5 486 705.8z'/%3E%3Cpath fill='%23232427' d='M1600 0H0v719.8c49-16.8 99.5-27.8 150.7-33.5c111.9-12.7 226-2.4 335.3 19.4c3.4 0.7 6.8 1.4 10.2 2c116.8 24 231.7 59 347.6 92.2H1600V0z'/%3E%3Cpath fill='%23242629' d='M478.4 581c3.2 0.8 6.4 1.7 9.5 2.5c196.2 52.5 388.7 133.5 593.5 176.6c174.2 36.6 349.5 29.2 518.6-10.2V0H0v574.9c52.3-17.6 106.5-27.7 161.1-30.9C268.4 537.4 375.7 554.2 478.4 581z'/%3E%3Cpath fill='%2326282b' d='M0 0v429.4c55.6-18.4 113.5-27.3 171.4-27.7c102.8-0.8 203.2 22.7 299.3 54.5c3 1 5.9 2 8.9 3c183.6 62 365.7 146.1 562.4 192.1c186.7 43.7 376.3 34.4 557.9-12.6V0H0z'/%3E%3Cpath fill='%23282A2D' d='M181.8 259.4c98.2 6 191.9 35.2 281.3 72.1c2.8 1.1 5.5 2.3 8.3 3.4c171 71.6 342.7 158.5 531.3 207.7c198.8 51.8 403.4 40.8 597.3-14.8V0H0v283.2C59 263.6 120.6 255.7 181.8 259.4z'/%3E%3Cpath fill='%2326282b' d='M1600 0H0v136.3c62.3-20.9 127.7-27.5 192.2-19.2c93.6 12.1 180.5 47.7 263.3 89.6c2.6 1.3 5.1 2.6 7.7 3.9c158.4 81.1 319.7 170.9 500.3 223.2c210.5 61 430.8 49 636.6-16.6V0z'/%3E%3Cpath fill='%23242629' d='M454.9 86.3C600.7 177 751.6 269.3 924.1 325c208.6 67.4 431.3 60.8 637.9-5.3c12.8-4.1 25.4-8.4 38.1-12.9V0H288.1c56 21.3 108.7 50.6 159.7 82C450.2 83.4 452.5 84.9 454.9 86.3z'/%3E%3Cpath fill='%23232427' d='M1600 0H498c118.1 85.8 243.5 164.5 386.8 216.2c191.8 69.2 400 74.7 595 21.1c40.8-11.2 81.1-25.2 120.3-41.7V0z'/%3E%3Cpath fill='%23212225' d='M1397.5 154.8c47.2-10.6 93.6-25.3 138.6-43.8c21.7-8.9 43-18.8 63.9-29.5V0H643.4c62.9 41.7 129.7 78.2 202.1 107.4C1020.4 178.1 1214.2 196.1 1397.5 154.8z'/%3E%3Cpath fill='%231F2023' d='M1315.3 72.4c75.3-12.6 148.9-37.1 216.8-72.4h-723C966.8 71 1144.7 101 1315.3 72.4z'/%3E%3C/g%3E%3C/svg%3E");
    background-size: cover;
    background-attachment: fixed;
    color: var(--text-primary);
    margin: 0;
    transition: background-color 0.3s ease, color 0.3s ease
}

h1 {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-primary);
    margin: 0 0 1.25rem;
    text-align: center;
    line-height: 1.5
}

h2,h3 {
    font-weight: 700;
    color: var(--text-primary)
}

h2 {
    font-size: 1.5rem;
    margin: 0 0 1rem
}

h3 {
    font-size: 1.25rem;
    margin: 1.25rem 0 0.3125rem
}

ul,ol {
    margin: .5rem 0 1rem 1.8rem;
    padding-left: 0
}

li {
    margin-bottom: .5rem;
}

p a {
    color: inherit
}

/* ============================================================================
   SCROLLBAR STYLING - Body/Window Level
   ============================================================================ */
::-webkit-scrollbar {
    width: 0.5rem;
    height: 0.5rem;
    background-color: var(--scrollbar-bg)
}

::-webkit-scrollbar-track {
    background-color: var(--scrollbar-bg)
}

::-webkit-scrollbar-thumb {
    background-color: var(--scrollbar-thumb);
    border-radius: 0.625rem
}

::-webkit-scrollbar-thumb:hover {
    background-color: var(--scrollbar-thumb-hover)
}

/* ============================================================================
   SCROLLBAR STYLING - Textarea Level
   ============================================================================ */
textarea::-webkit-scrollbar {
    width: 0.75rem;
    background-color: var(--box-scrollbar-bg)
}

textarea::-webkit-scrollbar-track {
    background: var(--box-scrollbar-track);
    border-radius: 0.625rem
}

textarea::-webkit-scrollbar-thumb {
    border: 0.1875rem solid #fff0;
    border-radius: 0.625rem;
    background-color: var(--box-scrollbar-thumb);
    background-clip: content-box
}

textarea::-webkit-scrollbar-thumb:hover {
    background-color: var(--box-scrollbar-thumb-hover)
}

.container {
    background-color: var(--container-bg);
    padding: 1.25rem;
    width: 100%;
    min-height: 100vh;
    box-sizing: border-box
}

textarea {
    width: 100%;
    min-height: 50lvh;
    max-height: 50lvh;
    padding: 1rem;
    border: 1px solid var(--border-medium);
    border-radius: .5rem;
    font-family: "Merriweather",serif;
    font-size: 1rem;
    line-height: 1.5;
    font-optical-sizing: auto;
    font-variation-settings: "wdth" 100;
    color: var(--text-primary);
    background-color: var(--body-bg);
    outline: none;
    resize: none;
    margin-bottom: 1rem;
    box-sizing: border-box;
    transition: background-color 0.3s ease,border-color 0.2s ease,box-shadow 0.2s ease,color 0.3s ease;
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale
}

@media (prefers-reduced-motion:reduce) {
    textarea {
        scroll-behavior: auto
    }
}

textarea:hover {
    box-shadow: 0 0.125rem 0.375rem var(--box-shadow-medium)
}

textarea:focus {
    border-color: var(--input-focus-border);
    box-shadow: 0 0.125rem 0.375rem var(--input-focus-shadow)
}

textarea::placeholder {
    color: var(--text-secondary)
}

textarea:focus::placeholder {
    color: var(--placeholder-focus-color)
}

.controls {
    display: flex;
    flex-direction: column;
    gap: .75rem;
    margin-bottom: 0;
    justify-content: center;
}

/* Quy tắc mới được thêm vào từ style nội tuyến */
.controls + h2 {
    text-align: center;
    margin-top: 1.37rem;
    font-size: 1.75rem;
}

button {
    width: 100%;
    border: none;
    padding: .75rem 1.15rem;
    border-radius: .5rem;
    cursor: pointer;
    font-size: 1rem;
    font-family: "Merriweather",serif;
    font-weight: 400;
    -webkit-tap-highlight-color: #fff0;
    box-shadow: 0 0.0625rem 0.125rem 0 var(--box-shadow-light);
    transition: background-color 0.2s ease,box-shadow 0.2s ease,transform 0.15s ease
}

button:hover {
    box-shadow: 0 0.125rem 0.25rem 0 var(--box-shadow-medium),0 0.1875rem 0.375rem 0.0625rem var(--box-shadow-light);
    transform: translateY(-0.0625rem)
}

button:active {
    box-shadow: 0 0.0625rem 0.125rem 0 var(--box-shadow-light);
    transform: translateY(0.0625rem)
}

button.secondary-btn {
    background-color: var(--button-secondary-bg);
    color: var(--button-secondary-text);
    border: 0 solid var(--border-medium);
    box-shadow: none
}

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

button.success-btn {
    background-color: var(--button-success-bg);
    color: var(--button-success-text)
}

button.success-btn:hover {
    background-color: var(--button-success-hover-bg)
}

.notification-popup {
    position: fixed;
    bottom: 0.9375rem;
    left: 50%;
    z-index: 1100;
    padding: .75rem 1.15rem;
    border-radius: .5rem;
    font-size: 1rem;
    font-family: "Merriweather",serif;
    font-weight: 400;
    white-space: nowrap;
    box-shadow: 0 0.25rem 0.75rem rgb(0 0 0 / .4);
    opacity: 0;
    visibility: hidden;
    transform: translateX(-50%) translateY(1.25rem);
    transition: transform 300ms cubic-bezier(.25,.46,.45,.94),opacity 300ms ease-out,visibility 300ms ease-out
}

.notification-popup.show {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0)
}

.notification-popup.success {
    background-color: var(--notification-bg);
    color: var(--notification-text)
}

.notification-popup.error {
    background-color: var(--button-red-bg);
    color: var(--button-red-text)
}

.notification-popup.info {
    background-color: var(--notification-bg);
    color: var(--notification-text)
}

a {color: inherit;
}

@media (min-width: 736px) {
    body {
        display:flex;
        flex-direction: column;
        justify-content: center;
        align-items: center;
        padding: 2rem
    }

    .container {
        max-width: 46rem;
        min-height: auto;
        padding: 1.25rem;
        border-radius: 0.75rem;
        box-shadow: var(--box-shadow-light) 0 0.0625rem 0.125rem 0,var(--box-shadow-medium) 0 0.125rem 0.375rem 0.125rem;
        width: 46rem;
    }

    textarea {
        min-height: 50lvh;
        max-height: 50lvh
    }

    .controls {
        flex-direction: row;
        flex-wrap: wrap
    }

    button {
        width: auto
    }

}

@media (max-width: 540px) {
    .container h1, .container h2 {
        display: flex;
        justify-content: space-evenly;
        flex-direction: column
    }
    .container {
        padding:1.25rem 0.875rem
    }

    textarea::-webkit-scrollbar {
        width: 0.625rem
    }
}
}