umbral-admin 0.0.7

Auto-generated CRUD admin UI for umbral models.
Documentation 
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{% extends "admin/wrapper.html" %}

{% block title %}Sign in | {{ site_title }}{% endblock %}

{% block extra_head %}
<style>
    body {
        font-family: "Inter", sans-serif;
        -webkit-font-smoothing: antialiased;
    }
    /* Tabular numerals for any numeric context. */
    .tabular-nums {
        font-variant-numeric: tabular-nums;
    }
    /* Slanted grid mesh painted behind the top half of the page.
       Hairline grid lines in `--outline-variant` (the same token
       used by card borders) so the pattern stays subtle in BOTH
       light and dark themes without any per-theme override. A
       vertical mask fades the grid out before it reaches the auth
       card, so the card sits on a clean background. Rotated by a
       few degrees and scaled up to keep the corners filled after
       the rotation crops them. `pointer-events-none` keeps the
       mesh purely decorative. */
    .login-grid-mesh {
        background-image:
            linear-gradient(to right, var(--outline-variant) 1px, transparent 1px),
            linear-gradient(to bottom, var(--outline-variant) 1px, transparent 1px);
        background-size: 56px 56px;
        -webkit-mask-image: linear-gradient(to bottom, black 0%, transparent 100%);
        mask-image: linear-gradient(to bottom, black 0%, transparent 100%);
        transform: rotate(-4deg) scale(1.4);
        transform-origin: 50% 0%;
        opacity: 0.55;
    }
</style>
{% endblock %}

{# Page bg matches the card bg (`surface-container`) so the card #}
{# doesn't appear "lighter" against a bluish-tinted page. Previously #}
{# `mesh-gradient` painted a `#0b0e15` body with two radial gradients #}
{# in purple-ish hues, which read as a mismatched panel. #}
{% block body_attrs %}class="bg-surface-container min-h-screen flex items-center justify-center p-md text-on-surface"{% endblock %}

{% block body %}
    <!-- Decorative slanted grid mesh in the upper half of the page.
         Sits behind everything (z-0 with the auth container at z-10).
         55vh tall, so it fades out well before the footer. The CSS
         lives in `extra_head` — theme adaptable via `--outline-variant`. -->
    <div
        class="fixed inset-x-0 top-0 h-[55vh] z-0 pointer-events-none overflow-hidden"
        aria-hidden="true"
    >
        <div class="login-grid-mesh absolute inset-0"></div>
    </div>

    <!-- Auth container. `relative z-10` lifts it above the grid
         mesh so the card never gets crossed by stray hairlines. -->
    <div class="relative z-10 w-full max-w-[420px]">
        <!-- Brand identity -->
        <div class="flex flex-col items-center mb-xl">
            <div
                class="w-12 h-12 bg-primary-container rounded-xl flex items-center justify-center mb-md shadow-lg"
            >
                <i
                    data-lucide="layers"
                    class="w-6 h-6 text-on-primary-container"
                ></i>
            </div>
            <h1 class="font-h1 text-h1 text-on-surface tracking-tight">
                {{ site_title }}
            </h1>
            <p
                class="font-body-md text-body-md text-on-surface-variant mt-xs"
            >
                Precision infrastructure management
            </p>
        </div>

        <!-- Login card -->
        <main
            class="bg-surface-container border border-outline-variant rounded-auth-card p-xl shadow-2xl"
        >
            <header class="mb-xl">
                <h2 class="font-h2 text-h2 mb-xs">Welcome back</h2>
                <p
                    class="font-body-sm text-body-sm text-on-surface-variant"
                >
                    Enter your credentials to access your dashboard
                </p>
            </header>

            {%- if error %}
            <!-- Error banner: never reveals whether username or password was wrong -->
            <div
                class="mb-md p-md rounded-lg border border-error-container bg-error-container/20 flex items-center gap-sm"
            >
                <i
                    data-lucide="alert-circle"
                    class="w-4 h-4 text-error flex-shrink-0"
                ></i>
                <p class="font-body-sm text-body-sm text-error">
                    {{ error }}
                </p>
            </div>
            {%- endif %}

            <form method="post" action="{{ admin_base }}/login" class="space-y-md">
                <!-- CSRF token — double-submit: matched against the
                     umbral_csrf_token cookie on POST. Per-browser, not
                     per-session, unless SecurityConfig.session_bind_cookie
                     binds it to the session id. -->
                <input
                    type="hidden"
                    name="csrf_token"
                    value="{{ csrf_token }}"
                />
                <!-- next redirect target (validated server-side) -->
                <input type="hidden" name="next" value="{{ next }}" />

                <!-- Username field -->
                <div class="space-y-sm">
                    <label
                        class="font-label-md text-label-md text-on-surface-variant block"
                        for="username"
                        >Username</label
                    >
                    <div class="relative group">
                        <div
                            class="absolute inset-y-0 left-0 pl-md flex items-center pointer-events-none"
                        >
                            <i
                                data-lucide="user"
                                class="w-4 h-4 text-outline group-focus-within:text-primary transition-colors"
                            ></i>
                        </div>
                        <input
                            class="w-full bg-surface-container-lowest border border-outline-variant rounded-xl py-[10px] pl-[42px] pr-md font-body-md text-body-md text-on-surface focus:outline-none focus:ring-2 focus:ring-primary/20 focus:border-primary transition-all placeholder:text-outline/50"
                            id="username"
                            name="username"
                            type="text"
                            autocomplete="username"
                            placeholder="your-username"
                            value="{{ prefill_username }}"
                            required
                        />
                    </div>
                </div>

                <!-- Password field -->
                <div class="space-y-sm">
                    <label
                        class="font-label-md text-label-md text-on-surface-variant block"
                        for="password"
                        >Password</label
                    >
                    <div class="relative group">
                        <div
                            class="absolute inset-y-0 left-0 pl-md flex items-center pointer-events-none"
                        >
                            <i
                                data-lucide="lock"
                                class="w-4 h-4 text-outline group-focus-within:text-primary transition-colors"
                            ></i>
                        </div>
                        <input
                            class="w-full bg-surface-container-lowest border border-outline-variant rounded-xl py-[10px] pl-[42px] pr-md font-body-md text-body-md text-on-surface focus:outline-none focus:ring-2 focus:ring-primary/20 focus:border-primary transition-all placeholder:text-outline/50"
                            id="password"
                            name="password"
                            type="password"
                            autocomplete="current-password"
                            placeholder="••••••••"
                            required
                        />
                    </div>
                </div>

                <!-- Submit -->
                <button
                    type="submit"
                    class="w-full bg-primary-container hover:opacity-90 active:scale-[0.98] text-on-primary-container font-h3 text-h3 py-md rounded-xl transition-all shadow-lg mt-md"
                >
                    Sign in
                </button>
            </form>
        </main>

        <!-- Footer -->
        <footer class="mt-xl flex justify-center items-center space-x-md">
            {% if admin_version %}
            <span class="font-label-md text-label-md text-outline"
                >{{ admin_version }}</span
            >
            {% endif %}
        </footer>
    </div>

{% endblock %}