/* ======================
   THEME VARIABLES
====================== */
:root {
    --bg: #ffffff;
    --text-primary: #121212;
    --btn-bg: #1976d2;
    --btn-bg-hover: #125ea6;
    --btn-text: #ffffff;
    --card-bg: #f8f8f8;
    scroll-padding-top: 90px; /* Adjust this to your navbar height */
    scroll-behavior: smooth; /* Optional: adds smooth scrolling */
}

.dark {
    --bg: #121212;
    --text-primary: #eeeeee;
    --btn-bg: #4dabf5;
    --btn-bg-hover: #90caf9;
    --btn-text: #121212;
    --card-bg: #1e1e1e;
}

/* ======================
   BASE STYLES
====================== */
*, *::before, *::after {
    box-sizing: border-box;
}

html, body {
    width: 100%;
    height: 100%;
    margin: 0;
    padding: 0;
    font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif;
    background-color: var(--bg);
    color: var(--text-primary);
    font-size: clamp(14px, 1.5vw, 18px);
    line-height: 1.6;
    transition: background-color 0.3s ease, color 0.3s ease;
}

h1, h2, h3, h4, h5, h6 {
    margin: 0 0 0.5rem 0;
    font-weight: 600;
    color: var(--text-primary);
}

h1 {
    font-size: clamp(1.8rem, 4vw, 3rem);
}

h2 {
    font-size: clamp(1.5rem, 3.2vw, 2.5rem);
}

h3 {
    font-size: clamp(1.3rem, 2.8vw, 2rem);
}

h4 {
    font-size: clamp(1.1rem, 2.2vw, 1.5rem);
}

h5 {
    font-size: clamp(1rem, 1.8vw, 1.3rem);
}

h6 {
    font-size: clamp(0.9rem, 1.5vw, 1.1rem);
}

/* ======================
   LINKS & BUTTONS
====================== */
a, .btn-link {
    color: var(--btn-bg);
    text-decoration: none;
    cursor: pointer;
    transition: color 0.3s ease, opacity 0.3s ease;
}

    a:hover, .btn-link:hover {
        color: var(--btn-bg-hover);
        opacity: 0.85;
    }

.btn-primary {
    display: inline-block;
    color: var(--btn-text);
    background-color: var(--btn-bg);
    border: 1px solid var(--btn-bg-hover);
    padding: 0.6rem 1.2rem;
    font-size: clamp(0.9rem, 1.5vw, 1rem);
    border-radius: 6px;
    transition: background-color 0.3s ease, border-color 0.3s ease, transform 0.2s;
    will-change: background-color, border-color, transform;
}

    .btn-primary:not(:disabled) {
        cursor: pointer;
    }

    .btn-primary:hover,
    .btn-primary:focus {
        background-color: var(--btn-bg-hover);
        border-color: var(--btn-bg-hover);
        transform: translateY(-1px);
        outline: none;
    }

    button:disabled,
    .btn-primary:disabled {
        opacity: 0.5;
        cursor: not-allowed;
    }

:focus-visible {
    outline: 2px dashed var(--btn-bg);
    outline-offset: 2px;
}

/* ======================
   CONTAINERS & LAYOUT
====================== */
.content {
    padding: 1.5rem clamp(1rem, 5vw, 2rem);
    max-width: 1200px;
    margin: 0 auto;
}

.card, .project-card {
    background-color: var(--card-bg);
    padding: clamp(1rem, 2vw, 1.5rem);
    border-radius: 10px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
    transition: background-color 0.3s ease, box-shadow 0.3s ease;
}

    .card:hover, .project-card:hover {
        box-shadow: 0 6px 16px rgba(0, 0, 0, 0.12);
    }

    .project-card img {
        max-width: 100%;
        border-radius: 8px;
        display: block;
    }

/* ======================
   SWITCH STYLES
====================== */
div.btn-container {
    display: inline-block; /* fixed */
    vertical-align: middle;
    text-align: center;
}

    div.btn-container i {
        display: inline-block;
        position: relative;
        top: -13px;
    }

label {
    font-size: 13px;
    color: #424242;
    font-weight: 500;
}

.btn-color-mode-switch {
    display: inline-block;
    margin: 0;
    position: relative;
}

    .btn-color-mode-switch > label.btn-color-mode-switch-inner {
        width: 160px; /* wider */
        height: 40px; /* taller */
        border-radius: 30px;
        background: #E0E0E0;
        position: relative;
        overflow: hidden;
        transition: all 0.3s ease;
        display: block;
    }

        .btn-color-mode-switch > label.btn-color-mode-switch-inner:before {
            content: attr(data-on);
            position: absolute;
            font-size: 14px;
            font-weight: 500;
            top: 12px;
            right: 30px;
            color: #666;
        }

        .btn-color-mode-switch > label.btn-color-mode-switch-inner:after {
            content: attr(data-off);
            width: 80px; /* wider */
            height: 30px; /* taller */
            background: #fff;
            border-radius: 30px;
            position: absolute;
            left: 3px;
            top: 5px;
            text-align: center;
            transition: all 0.3s ease;
            box-shadow: 0px 0px 6px -2px #111;
            padding: 7px 0;
            font-size: 14px;
            line-height: 16px;
        }

    .btn-color-mode-switch input[type="checkbox"] {
        cursor: pointer;
        width: 160px; /* fixed */
        height: 40px; /* fixed */
        opacity: 0;
        position: absolute;
        top: 0;
        left: 0;
        z-index: 2;
        margin: 0;
    }

        .btn-color-mode-switch input[type="checkbox"]:checked + label.btn-color-mode-switch-inner {
            background: #151515;
            color: #fff;
        }

            .btn-color-mode-switch input[type="checkbox"]:checked + label.btn-color-mode-switch-inner:after {
                content: attr(data-on);
                left: 77px;
                background: #3c3c3c;
            }

            .btn-color-mode-switch input[type="checkbox"]:checked + label.btn-color-mode-switch-inner:before {
                content: attr(data-off);
                right: auto;
                left: 30px;
            }

        .btn-color-mode-switch input[type="checkbox"]:checked ~ .alert {
            display: block;
        }

    .btn-color-mode-switch > .alert {
        display: none;
        background: #FF9800;
        border: none;
        color: #fff;
    }

/* ======================
   MODE PREVIEW
====================== */
.dark-preview {
    background: #0d0d0d;
}

    .dark-preview div.btn-container i.fa-sun-o {
        color: #777;
    }

    .dark-preview div.btn-container i.fa-moon-o {
        color: #fff;
        text-shadow: 0 0 11px #fff;
    }

.white-preview {
    background: #fff;
}

    .white-preview div.btn-container i.fa-sun-o {
        color: #ffa500;
        text-shadow: 0 0 16px #ffa500;
    }

    .white-preview div.btn-container i.fa-moon-o {
        color: #777;
    }

/* ======================
   FORM VALIDATION
====================== */
.valid.modified:not([type=checkbox]) {
    outline: 2px solid #26b050;
}

.invalid {
    outline: 2px solid #ff4d4f;
}

.validation-message {
    color: #ff4d4f;
    font-size: 0.875rem;
    margin-top: 0.25rem;
}

/* ======================
   BLAZOR ERROR UI
====================== */
#blazor-error-ui {
    background: lightyellow;
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    padding: 0.75rem 1.5rem;
    box-shadow: 0 -1px 4px rgba(0, 0, 0, 0.2);
    display: none;
}

    #blazor-error-ui .dismiss {
        position: absolute;
        right: 1rem;
        top: 0.5rem;
        cursor: pointer;
    }

.blazor-error-boundary {
    background: #b32121;
    color: white;
    padding: 1rem 1rem 1rem 3.7rem;
    border-radius: 6px;
    margin-bottom: 1rem;
    position: relative;
}

    .blazor-error-boundary::after {
        content: "An error has occurred.";
        font-weight: bold;
        position: absolute;
        left: 1rem;
        top: 1rem;
    }

/* ======================
   PARAGRAPH BY CLASS
====================== */