:root {
    --bg-color: #0b0f1a;
    --card-bg: rgba(30, 41, 59, 0.7);
    --input-bg: rgba(51, 65, 85, 0.5);
    --text-color: #f8fafc;
    --text-muted: #94a3b8;
    --primary-color: #3b82f6;
    --primary-hover: #2563eb;
    --accent-color: #6366f1;
    --border-color: rgba(75, 85, 99, 0.4);
    --success-color: #10b981;
    --glass-border: rgba(255, 255, 255, 0.1);
}

body {
    background: radial-gradient(circle at top right, #1e293b, #0b0f1a);
    color: var(--text-color);
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    margin: 0;
    padding: 30px;
    min-height: 100vh;
    letter-spacing: -0.01em;
}

.container {
    max-width: 720px;
    margin: 0 auto;
}

h1 {
    font-size: 28px;
    font-weight: 700;
    background: linear-gradient(135deg, #60a5fa, #a78bfa);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 30px;
}

.section {
    background: var(--card-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    padding: 24px;
    border-radius: 16px;
    margin-bottom: 24px;
    border: 1px solid var(--glass-border);
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.2);
    transition: transform 0.2s ease;
}

.section:hover {
    border-color: rgba(255, 255, 255, 0.2);
}

label {
    display: block;
    color: var(--text-muted);
    font-size: 13px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 10px;
}

input[type="text"],
input[type="password"],
select,
textarea {
    width: 100%;
    background: var(--input-bg);
    border: 1px solid var(--border-color);
    color: white;
    padding: 12px 14px;
    border-radius: 10px;
    font-size: 14px;
    transition: all 0.2s ease;
    box-sizing: border-box;
}

textarea {
    resize: vertical;
    min-height: 80px;
}

input:focus,
select:focus,
textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    background: rgba(51, 65, 85, 0.8);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.2);
}

.form-control {
    max-width: 480px;
    width: 100%;
}

.input-wrapper {
    position: relative;
    flex: 1;
    min-width: 0;
}

.input-wrapper input {
    width: 100%;
    padding-right: 44px;
    box-sizing: border-box;
    display: block;
}

.eye-btn {
    position: absolute;
    right: 8px;
    top: 50%;
    transform: translateY(-50%);
    background: transparent !important;
    border: none !important;
    box-shadow: none !important;
    cursor: pointer;
    padding: 4px !important;
    font-size: 16px;
    opacity: 0.5;
    transition: opacity 0.2s;
    line-height: 1;
    display: flex;
    align-items: center;
    justify-content: center;
}

.eye-btn:hover {
    opacity: 1;
    transform: translateY(-50%) scale(1.1);
}

.save-status {
    position: fixed;
    bottom: 30px;
    right: 30px;
    background: var(--success-color);
    color: white;
    padding: 12px 24px;
    border-radius: 12px;
    font-weight: 600;
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.2);
    transform: translateY(100px);
    opacity: 0;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 1000;
}

.save-status.show {
    transform: translateY(0);
    opacity: 1;
}

button {
    background-color: var(--primary-color);
    color: white;
    border: none;
    padding: 10px 20px;
    border-radius: 10px;
    cursor: pointer;
    font-weight: 600;
    font-size: 14px;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.2);
    white-space: nowrap;
    flex-shrink: 0;
}

button:hover {
    transform: translateY(-1px);
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.3);
    background-color: var(--primary-hover);
}

button:active {
    transform: translateY(0);
}

button[style*="background: transparent"] {
    background: transparent !important;
    box-shadow: none !important;
    text-decoration: underline;
    opacity: 0.7;
}

button[style*="background: transparent"]:hover {
    opacity: 1;
}

.flex-row {
    display: flex;
    gap: 12px;
    align-items: center;
    flex-wrap: nowrap;
}

.flex-between {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.history-list {
    max-height: 250px;
    overflow-y: auto;
    margin-top: 10px;
    padding-right: 5px;
}

.history-item {
    background: rgba(255, 255, 255, 0.03);
    padding: 14px;
    border-radius: 12px;
    margin-bottom: 10px;
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: all 0.2s ease;
}

.history-item:hover {
    background: rgba(255, 255, 255, 0.06);
    transform: translateX(2px);
}

.history-time {
    color: var(--primary-color);
    font-size: 11px;
    font-weight: 700;
    margin-bottom: 6px;
    display: block;
}

/* Scrollbar excellence */
::-webkit-scrollbar {
    width: 6px;
}

::-webkit-scrollbar-track {
    background: transparent;
}

::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 10px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--text-muted);
}