:root {
    --bg-color: #f7f7f7;
    --card-bg: #ffffff;
    --text-primary: #1a1a1a;
    --text-secondary: #666666;
    --border-color: #e0e0e0;
    --border-focus: #999999;
    --btn-primary: #1a1a1a;
    --btn-primary-hover: #333333;
    --btn-secondary: #f0f0f0;
    --btn-secondary-hover: #e0e0e0;
    --tag-bg: #f5f5f5;
    --tag-border: #d0d0d0;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-primary);
    line-height: 1.6;
    padding: 2rem 1rem;
}

.container {
    max-width: 800px;
    margin: 0 auto;
}

header {
    text-align: center;
    margin-bottom: 2rem;
}

header h1 {
    font-size: 1.75rem;
    font-weight: 600;
    letter-spacing: -0.02em;
    margin-bottom: 0.5rem;
}

header p {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.card {
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.02);
}

h2 {
    font-size: 1.25rem;
    font-weight: 500;
    margin-bottom: 1.25rem;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 0.5rem;
}

.form-group {
    margin-bottom: 1.25rem;
}

.remember-key-option {
    display: flex;
    align-items: center;
    gap: 0.45rem;
    margin-top: 0.65rem;
    font-weight: 400;
}

.security-note {
    display: block;
    margin-top: 0.35rem;
    color: var(--text-secondary);
    font-size: 0.75rem;
}

.text-btn {
    margin-top: 0.45rem;
    padding: 0;
    background: transparent;
    color: var(--text-secondary);
    font-size: 0.75rem;
    text-decoration: underline;
}

.text-btn:hover {
    color: var(--text-primary);
}

label {
    display: block;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: 0.4rem;
}

input[type="text"],
input[type="password"],
textarea {
    width: 100%;
    padding: 0.75rem;
    font-family: inherit;
    font-size: 0.9rem;
    color: var(--text-primary);
    background-color: #fafafa;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    transition: border-color 0.2s;
}

input[type="text"]:focus,
input[type="password"]:focus,
textarea:focus {
    outline: none;
    border-color: var(--border-focus);
    background-color: #ffffff;
}

.tag-buttons {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 0.5rem;
    flex-wrap: wrap;
}

.tag-btn {
    background-color: var(--tag-bg);
    border: 1px solid var(--tag-border);
    color: var(--text-primary);
    padding: 0.25rem 0.5rem;
    font-size: 0.8rem;
    border-radius: 4px;
    cursor: pointer;
    transition: background-color 0.2s;
}

.tag-btn:hover {
    background-color: var(--border-color);
}

button {
    font-family: inherit;
    font-size: 0.9rem;
    font-weight: 500;
    border-radius: 4px;
    cursor: pointer;
    transition: background-color 0.2s;
    border: none;
}

.primary-btn {
    width: 100%;
    padding: 0.75rem;
    background-color: var(--btn-primary);
    color: #ffffff;
    margin-top: 0.5rem;
}

.primary-btn:hover {
    background-color: var(--btn-primary-hover);
}

.secondary-btn {
    padding: 0.75rem 1.5rem;
    background-color: var(--btn-secondary);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.secondary-btn:hover:not(:disabled) {
    background-color: var(--btn-secondary-hover);
}

.secondary-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.copy-btn {
    margin-top: 0.5rem;
    padding: 0.4rem 0.75rem;
    font-size: 0.8rem;
    background-color: var(--btn-secondary);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.copy-btn:hover {
    background-color: var(--btn-secondary-hover);
}

.actions {
    margin-top: 1.5rem;
    text-align: right;
}

.pill-container {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
    margin-top: 0.5rem;
    padding-bottom: 0.2rem;
}

.pill {
    padding: 0.25rem 0.6rem;
    font-size: 0.75rem;
    font-weight: 500;
    border-radius: 12px;
    border: 1px solid transparent;
    cursor: pointer;
    transition: all 0.2s ease;
}

.pill:hover {
    transform: translateY(-1px);
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
    filter: brightness(0.95) contrast(1.1);
}

.pill:active {
    transform: translateY(0);
}

/* Pastel Colors */
.pastel-pink { background-color: #ffd1dc; border-color: #ff9eb5; color: #8a2b42; }
.pastel-peach { background-color: #ffdfba; border-color: #ffbe75; color: #8a4900; }
.pastel-yellow { background-color: #fdfd96; border-color: #f1f155; color: #7a7a00; }
.pastel-mint { background-color: #c1f0c1; border-color: #8be38b; color: #1d661d; }
.pastel-blue { background-color: #aec6cf; border-color: #7ca6b7; color: #2b4e5c; }
.pastel-lilac { background-color: #cbaacb; border-color: #b382b3; color: #5c3a5c; }
.pastel-gray { background-color: #e5e5e5; border-color: #cccccc; color: #4a4a4a; }
.pastel-aqua { background-color: #b2e2f2; border-color: #75cae8; color: #216982; }

footer {
    padding: 0.5rem 0 1rem;
    color: var(--text-secondary);
    font-size: 0.75rem;
    text-align: center;
}