/* =============================================
   CSS Custom Properties — Light theme (default)
   ============================================= */
:root {
    --bg-primary: #ffffff;
    --bg-sidebar: #f0f2f4;
    --bg-topbar: #ffffff;
    --input-bg: #f1f3f4;
    --border-color: #dadce0;
    --text-primary: #202124;
    --text-secondary: #5f6368;
    --accent: #1a73e8;
    --btn-new-chat-bg: #e8f0fe;
    --btn-new-chat-hover: #d2e3fc;
    --item-hover-bg: rgba(0, 0, 0, 0.06);
    --item-active-bg: rgba(26, 115, 232, 0.12);
    --user-bubble-bg: #1a73e8;
    --user-bubble-text: #ffffff;
    --assistant-bubble-bg: #f1f3f4;
    --login-bg: #f7f7f8;
    --login-card-bg: #ffffff;
    --login-card-border: #e5e5e5;
    --login-logo-color: #000000;
}

/* =============================================
   CSS Custom Properties — Dark theme
   ============================================= */
@media (prefers-color-scheme: dark) {
    :root {
        --bg-primary: #131314;
        --bg-sidebar: #1e1f20;
        --bg-topbar: #131314;
        --input-bg: #282a2d;
        --border-color: #3c4043;
        --text-primary: #e3e3e3;
        --text-secondary: #9aa0a6;
        --accent: #8ab4f8;
        --btn-new-chat-bg: rgba(138, 180, 248, 0.1);
        --btn-new-chat-hover: rgba(138, 180, 248, 0.18);
        --item-hover-bg: rgba(255, 255, 255, 0.06);
        --item-active-bg: rgba(138, 180, 248, 0.14);
        --user-bubble-bg: #1a3a5c;
        --user-bubble-text: #e3e3e3;
        --assistant-bubble-bg: #282a2d;
        --login-bg: #0d0d0d;
        --login-card-bg: #212121;
        --login-card-border: #2f2f2f;
        --login-logo-color: #ffffff;
    }
}

/* =============================================
   Global reset & base styles
   ============================================= */
*, *::before, *::after {
    box-sizing: border-box;
}

html, body {
    height: 100%;
    margin: 0;
    padding: 0;
    font-family: 'Google Sans', 'Helvetica Neue', Helvetica, Arial, sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-primary);
}

a, .btn-link {
    color: var(--accent);
}

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

h1:focus {
    outline: none;
}

.valid.modified:not([type=checkbox]) {
    outline: 1px solid #26b050;
}

.invalid {
    outline: 1px solid #e50000;
}

.validation-message {
    color: #e50000;
}

.blazor-error-boundary {
    background: url(data:image/svg+xml;base64,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) no-repeat 1rem/1.8rem, #b32121;
    padding: 1rem 1rem 1rem 3.7rem;
    color: white;
}

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

.darker-border-checkbox.form-check-input {
    border-color: #929292;
}

.form-floating > .form-control-plaintext::placeholder, .form-floating > .form-control::placeholder {
    color: var(--bs-secondary-color);
    text-align: end;
}

.form-floating > .form-control-plaintext:focus::placeholder, .form-floating > .form-control:focus::placeholder {
    text-align: start;
}