/* ===========================================
   GLOBAL THEME VARIABLES
   =========================================== */
:root {
    --color-blue-light: #4FC3FF;
    --color-blue-mid: #3C4BFF;
    --color-blue-dark: #1E3D9B;
    --color-cyan: #7AF6F8;
    --color-purple: #9A6AFF;
    --color-bg-dark: #0A0A0D;
    --color-bg-panel: #15161A;
    --color-bg-hover: #22242A;
    --color-text: #F2F2F4;
    --color-text-muted: #B5B5B8;
    --color-border: #34353A;
    --shadow-soft: 0 4px 12px rgba(0, 0, 0, 0.4);
    --radius: 0.5rem;
}

/* ===========================================
   BASE STYLES
   =========================================== */
html {
    font-size: 16px;
}

html,
body {
    font-family: 'Inter', 'Helvetica Neue', Helvetica, Arial, sans-serif;
    margin: 0;
    padding: 0;
    height: 100%;
    scroll-behavior: smooth;
    background: radial-gradient(circle at 25% 25%, rgba(44, 49, 245, 0.06) 0%, rgba(136, 88, 245, 0.05) 35%, rgba(10, 10, 13, 1) 90%), linear-gradient(160deg, #0A0A0D 0%, #141418 100%);
    background-attachment: fixed;
    color: var(--color-text);
    line-height: 1.7;
    -webkit-text-size-adjust: 100%;
    text-rendering: optimizeLegibility;
}

body {
    font-size: 1rem;
    overflow-wrap: break-word;
}

/* ===========================================
   LINKS
   =========================================== */
a,
.btn-link {
    color: var(--color-blue-light);
    text-decoration: none;
    transition: color 0.2s ease-in-out, text-shadow 0.2s ease-in-out;
}

    a:hover,
    .btn-link:hover {
        color: var(--color-cyan);
        text-shadow: 0 0 6px rgba(122, 246, 248, 0.3);
    }

/* ===========================================
   HEADINGS
   =========================================== */
h1,
h2,
h3,
h4,
h5,
h6 {
    color: #FFFFFF;
    font-weight: 600;
    letter-spacing: 0.4px;
    text-shadow: 0 1px 3px rgba(0, 0, 0, 0.5);
    overflow-wrap: anywhere;
    word-break: break-word;
}

h1 {
    font-size: clamp(1.9rem, 1.45rem + 1.8vw, 2.15rem);
    line-height: 1.12;
}

h2 {
    font-size: clamp(1.45rem, 1.2rem + 1vw, 1.75rem);
    line-height: 1.18;
}

h3 {
    font-size: clamp(1.2rem, 1.05rem + 0.7vw, 1.42rem);
    line-height: 1.22;
}

/* ===========================================
   LAYOUT & CONTENT
   =========================================== */
.content {
    padding-top: 1.1rem;
    background: transparent;
    color: var(--color-text);
    font-size: 1rem;
    min-width: 0;
}

/* ===========================================
   BUTTONS
   =========================================== */
.btn-primary {
    color: #fff;
    background: linear-gradient(90deg, var(--color-blue-mid), var(--color-blue-light));
    border: none;
    border-radius: var(--radius);
    box-shadow: var(--shadow-soft);
    transition: background 0.3s ease, transform 0.2s ease, box-shadow 0.2s ease;
    font-weight: 500;
    font-size: 1rem;
    padding: 0.6rem 1rem;
}

    .btn-primary:hover {
        transform: translateY(-1px);
        background: linear-gradient(90deg, var(--color-purple), var(--color-blue-light));
        box-shadow: 0 0 10px rgba(79, 195, 255, 0.3);
    }

.btn:focus,
.form-control:focus,
.form-check-input:focus {
    outline: none;
    box-shadow: 0 0 0 0.15rem var(--color-blue-light), 0 0 0 0.25rem rgba(79, 195, 255, 0.25);
}

/* ===========================================
   FORM ELEMENTS
   =========================================== */
.form-control,
.form-select {
    background-color: var(--color-bg-panel);
    color: var(--color-text);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    transition: border-color 0.2s ease, background-color 0.2s ease, color 0.2s ease;
    font-size: 1rem;
    padding: 0.6rem 0.8rem;
}

    .form-control:focus,
    .form-select:focus {
        background-color: var(--color-bg-hover);
        border-color: var(--color-blue-light);
        color: #FFFFFF;
    }

::placeholder {
    color: var(--color-text-muted);
}

/* Checkbox */
.form-check-input {
    background-color: var(--color-bg-panel);
    border-color: #777;
    cursor: pointer;
    transition: background-color 0.2s ease, border-color 0.2s ease;
}

    .form-check-input:checked {
        background-color: var(--color-blue-mid);
        border-color: var(--color-blue-mid);
    }

/* ===========================================
   CODE & PRE
   =========================================== */
code,
pre {
    background-color: #1C1D22;
    color: #E6E6E8;
    padding: 0.3rem 0.55rem;
    border-radius: var(--radius);
    font-family: "Fira Code", Consolas, monospace;
    line-height: 1.55;
    font-size: 0.95rem;
}

pre {
    border: 1px solid var(--color-border);
    box-shadow: inset 0 0 10px rgba(0, 0, 0, 0.4);
    overflow-x: auto;
}

/* ===========================================
   VALIDATION STATES
   =========================================== */
.valid.modified:not([type=checkbox]) {
    outline: 1px solid #26b050;
    background-color: #142814;
}

.invalid {
    outline: 1px solid #e50000;
    background-color: #2a1515;
}

.validation-message {
    color: #ff7d7d;
    font-size: 0.98rem;
}

/* ===========================================
   BLOCKQUOTE & HR
   =========================================== */
blockquote {
    border-left: 4px solid var(--color-purple);
    padding-left: 1rem;
    color: var(--color-text-muted);
    font-style: italic;
    background: rgba(136, 88, 245, 0.05);
    border-radius: var(--radius);
    font-size: 1rem;
}

hr {
    border: none;
    border-top: 1px solid var(--color-border);
    opacity: 0.5;
}

/* ===========================================
   SCROLLBARS
   =========================================== */
::-webkit-scrollbar {
    width: 10px;
    background-color: #121216;
}

::-webkit-scrollbar-thumb {
    background: linear-gradient(var(--color-blue-dark), var(--color-purple));
    border-radius: 5px;
}

    ::-webkit-scrollbar-thumb:hover {
        background: linear-gradient(var(--color-blue-mid), var(--color-cyan));
    }

/* ===========================================
   ERROR BOUNDARY
   =========================================== */
.blazor-error-boundary {
    background: #5c0000;
    padding: 1rem 1rem 1rem 3.7rem;
    color: #fff;
    border: 1px solid #aa2222;
    border-radius: var(--radius);
    position: relative;
    font-size: 1rem;
}

    .blazor-error-boundary::after {
        content: "An error has occurred.";
    }

/* ===========================================
   UTILITY ELEMENTS
   =========================================== */
.card {
    background-color: var(--color-bg-panel);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    box-shadow: var(--shadow-soft);
    transition: transform 0.2s ease, box-shadow 0.3s ease, background-color 0.2s ease;
    color: var(--color-text);
    font-size: 1rem;
}

    .card:hover {
        transform: translateY(-3px);
        box-shadow: 0 6px 16px rgba(79, 195, 255, 0.25);
        background-color: var(--color-bg-hover);
    }

.table {
    color: var(--color-text);
    background-color: var(--color-bg-panel);
    border-collapse: separate;
    border-spacing: 0;
    font-size: 1rem;
}

    .table th {
        color: #FFFFFF;
        border-bottom: 1px solid var(--color-border);
        background-color: #1B1C22;
        font-size: 1rem;
    }

    .table td {
        border-top: 1px solid var(--color-border);
        font-size: 1rem;
    }

.alert {
    border-radius: var(--radius);
    background-color: rgba(44, 49, 245, 0.12);
    color: var(--color-blue-light);
    border: 1px solid var(--color-blue-mid);
    font-size: 1rem;
}

/* ===========================================
   TEXT READABILITY IMPROVEMENTS
   =========================================== */
p,
span,
li {
    color: var(--color-text);
    line-height: 1.7;
    font-size: 1rem;
    overflow-wrap: anywhere;
}

small,
.text-muted {
    color: var(--color-text-muted);
    font-size: 0.95rem;
}

strong {
    color: #fff;
    font-weight: 600;
}

/* ===========================================
   TABLE RESPONSIVENESS
   =========================================== */
.table-responsive {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

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

@media (max-width: 992px) {
    html {
        font-size: 15.5px;
    }
}

@media (max-width: 768px) {
    html {
        font-size: 14.5px;
    }

    body {
        line-height: 1.62;
    }

    p,
    li,
    span {
        font-size: 0.98rem;
    }
}

@media (max-width: 480px) {
    html {
        font-size: 14px;
    }

    body {
        line-height: 1.58;
    }

    h1 {
        font-size: clamp(1.55rem, 1.25rem + 1.2vw, 1.8rem);
        line-height: 1.08;
    }

    h2 {
        font-size: clamp(1.28rem, 1.12rem + 0.7vw, 1.45rem);
        line-height: 1.14;
    }

    h3 {
        font-size: 1.12rem;
    }

    p,
    li,
    span {
        font-size: 0.96rem;
    }

    small,
    .text-muted {
        font-size: 0.9rem;
    }

    .btn-primary,
    .form-control,
    .form-select,
    .table,
    .table th,
    .table td,
    .alert,
    .card,
    .blazor-error-boundary {
        font-size: 0.96rem;
    }
}

@media (max-width: 380px) {
    html {
        font-size: 13px;
    }

    body {
        line-height: 1.52;
    }

    h1 {
        font-size: 1.42rem;
        line-height: 1.05;
    }

    h2 {
        font-size: 1.2rem;
        line-height: 1.1;
    }

    h3 {
        font-size: 1.05rem;
    }

    p,
    li,
    span {
        font-size: 0.94rem;
    }
}

/* ===========================================
   RESPONSIVE CARD ADJUSTMENTS
   =========================================== */
@media (max-width: 768px) {
    .card {
        padding: 0.75rem;
    }
}

/* ===========================================
   EXTRA SPACING FOR MOBILE
   =========================================== */
@media (max-width: 768px) {
    .content {
        padding-left: 0.6rem;
        padding-right: 0.6rem;
    }
}

@media (max-width: 480px) {
    .content {
        padding-left: 0.42rem;
        padding-right: 0.42rem;
    }
}

@media (max-width: 380px) {
    .content {
        padding-left: 0.28rem;
        padding-right: 0.28rem;
    }
}

/* ===========================================
   WIDESCREEN OPTIMIZATION
   =========================================== */
@media (min-width: 1600px) {
    .content {
        max-width: 1800px;
        margin: 0 auto;
        padding: 1.5rem;
    }
}

@media (min-width: 2000px) {
    .content {
        max-width: 2000px;
    }
}

/* ===========================================
   APEXCHARTS DARK TOOLTIP OVERRIDE
   =========================================== */
.apexcharts-tooltip {
    background: #1e1e1e !important;
    color: #e0e0e0 !important;
    border: 1px solid #333 !important;
    box-shadow: 0 6px 16px rgba(0,0,0,0.6) !important;
    font-size: 0.98rem !important;
}

.apexcharts-tooltip-title {
    background: #252525 !important;
    border-bottom: 1px solid #333 !important;
    color: #ffffff !important;
}

.apexcharts-tooltip-series-group {
    background: transparent !important;
    color: #ddd !important;
}

.apexcharts-tooltip-marker {
    border-radius: 50%;
}

.apexcharts-xcrosshairs,
.apexcharts-ycrosshairs {
    stroke: #555 !important;
}

.apexcharts-gridline {
    stroke: #2a2a2a !important;
}

.apexcharts-xaxis text,
.apexcharts-yaxis text {
    fill: #aaa !important;
}