:root {
    --bg: #14100d;
    --panel: #1f1712;
    --border: #4a3323;
    --ember: #6b1f1a;
    --ember-bright: #9c2f26;
    --heading: var(--ember-bright);
    --text: #ece3d6;
    --text-dim: #a8998a;
    --danger: #d9534f;
}

* { box-sizing: border-box; }

body {
    margin: 0;
    background: var(--bg);
    color: var(--text);
    font-family: "Segoe UI", system-ui, sans-serif;
}

.login-body {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: radial-gradient(circle at 50% 20%, #2a1c12 0%, var(--bg) 65%);
}

.login-card {
    background: var(--panel);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 40px 44px;
    width: 320px;
    box-shadow: 0 0 40px rgba(224, 105, 42, 0.08);
}

.login-card h1 {
    margin: 0 0 28px;
    color: var(--heading);
    letter-spacing: 0.04em;
}

.login-card label {
    display: block;
    margin-bottom: 6px;
    font-size: 0.85rem;
    color: var(--text-dim);
}

.login-card input {
    width: 100%;
    padding: 9px 10px;
    margin-bottom: 18px;
    background: #120d0a;
    border: 1px solid var(--border);
    border-radius: 6px;
    color: var(--text);
    font-size: 0.95rem;
}

.login-card input:focus {
    outline: none;
    border-color: var(--ember);
}

.login-card button {
    width: 100%;
    padding: 11px;
    background: linear-gradient(180deg, var(--ember-bright), var(--ember));
    border: none;
    border-radius: 6px;
    color: var(--text-dim);
    font-weight: 600;
    font-size: 0.95rem;
    cursor: pointer;
}

.login-card button:hover {
    filter: brightness(1.08);
}

.login-card .error {
    color: var(--danger);
    font-size: 0.85rem;
    margin: -8px 0 16px;
}

.loggedout-body {
    min-height: 100vh;
    margin: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg);
}

.back-to-login {
    padding: 12px 28px;
    background: var(--panel);
    border: 1px solid var(--border);
    border-radius: 8px;
    color: var(--text-dim);
    text-decoration: none;
    font-size: 0.95rem;
    letter-spacing: 0.03em;
}

.back-to-login:hover {
    border-color: var(--ember);
    color: var(--text);
}

.tool-body {
    min-height: 100vh;
    background:
        linear-gradient(rgba(20, 16, 13, 0.45), rgba(20, 16, 13, 0.55)),
        url("/images/tool-background.png") center center / cover no-repeat fixed;
}

.tool-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 18px 28px;
    border-bottom: 1px solid var(--border);
    background: rgba(31, 23, 18, 0.85);
    backdrop-filter: blur(2px);
}

.tool-header h1 {
    margin: 0;
    color: var(--heading);
    font-size: 1.3rem;
}

.logout-form {
    display: flex;
    align-items: center;
    gap: 14px;
}

.whoami {
    color: var(--text-dim);
    font-size: 0.85rem;
}

.logout-form button {
    padding: 7px 14px;
    background: transparent;
    border: 1px solid var(--border);
    border-radius: 6px;
    color: var(--text);
    cursor: pointer;
}

.logout-form button:hover {
    border-color: var(--ember);
    color: var(--ember-bright);
}

.tool-placeholder {
    margin: 40px auto;
    padding: 40px 28px;
    max-width: 640px;
    text-align: center;
    color: var(--text-dim);
    background: rgba(20, 16, 13, 0.55);
    border: 1px solid var(--border);
    border-radius: 10px;
}

.tool-placeholder .hint {
    font-size: 0.85rem;
    opacity: 0.7;
}

.notes-section {
    max-width: 720px;
    margin: 0 auto 60px;
    padding: 24px 28px;
    background: rgba(20, 16, 13, 0.55);
    border: 1px solid var(--border);
    border-radius: 10px;
}

.notes-section h2 {
    color: var(--heading);
    font-size: 1.05rem;
    margin-bottom: 4px;
}

.notes-section .hint {
    font-size: 0.8rem;
    margin: 0 0 12px;
}

.notes-section textarea {
    width: 100%;
    background: #120d0a;
    border: 1px solid var(--border);
    border-radius: 6px;
    color: var(--text);
    padding: 12px;
    font-family: "Segoe UI", system-ui, sans-serif;
    font-size: 0.9rem;
    resize: vertical;
}

.notes-section textarea:focus {
    outline: none;
    border-color: var(--ember);
}

.notes-actions {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-top: 10px;
}

.notes-actions button {
    padding: 9px 18px;
    background: linear-gradient(180deg, var(--ember-bright), var(--ember));
    border: none;
    border-radius: 6px;
    color: var(--text);
    font-weight: 600;
    cursor: pointer;
}

.notes-actions button:hover {
    filter: brightness(1.08);
}

.saved-indicator {
    color: var(--text-dim);
    font-size: 0.85rem;
}