:root {
    --primary-color: #00624d;
    --primary-dark: #004d3d;
    --primary-light: #007a61;
    --accent-color: #ffd700;
    --text-color: #2d3748;
    --text-muted: #718096;
    --background-start: #f0f9ff;
    --background-end: #e8fff7;
    --glass-bg: rgba(255, 255, 255, 0.95);
    --error-color: #e53e3e;
    --success-color: #38a169;
    --border-color: rgba(0, 98, 77, 0.1);
    --input-bg: rgba(255, 255, 255, 0.9);
    --input-focus: #ebf4ff;
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.07);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.1);
}

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

body {
    background: linear-gradient(135deg, var(--background-start), var(--background-end));
    font-family: 'Inter', sans-serif;
    color: var(--text-color);
    line-height: 1.5;
    min-height: 100vh;
    position: relative;
    overflow-x: hidden;
}

body::before {
    content: '';
    position: fixed;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle at center, transparent 30%, var(--background-end) 70%);
    animation: gradientMove 15s ease-in-out infinite alternate;
    z-index: -1;
    opacity: 0.7;
}

@keyframes gradientMove {
    0% {
        transform: translate(0, 0);
    }

    100% {
        transform: translate(-5%, -5%);
    }
}

.login-container {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    padding: 1.5rem;
    position: relative;
}

.login-items-container {
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-radius: 1.5rem;
    box-shadow: var(--shadow-lg),
        0 0 0 1px rgba(255, 255, 255, 0.3);
    width: 100%;
    max-width: 420px;
    padding: 2.5rem;
    animation: slideUp 0.6s cubic-bezier(0.16, 1, 0.3, 1) forwards;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

@keyframes slideUp {
    0% {
        opacity: 0;
        transform: translateY(30px) scale(0.98);
    }

    100% {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.logo-header {
    text-align: center;
    margin-bottom: 2.5rem;
    position: relative;
}

.logo-image {
    max-width: 180px;
    height: auto;
    filter: drop-shadow(0 4px 6px rgba(0, 0, 0, 0.1));
    transition: transform 0.3s ease;
}

.logo-link:hover .logo-image {
    transform: translateY(-2px);
}

.login-content {
    text-align: center;
}

.login-title {
    font-size: 2rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    margin-bottom: 0.5rem;
}

.login-subtitle {
    color: var(--text-muted);
    margin-bottom: 2.5rem;
    font-size: 1rem;
}

.login-form {
    text-align: left;
}

.form-group {
    margin-bottom: 1.5rem;
    position: relative;
}

.form-label {
    display: block;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-color);
    margin-bottom: 0.5rem;
    transition: color 0.2s ease;
}

.input-wrapper {
    position: relative;
    transition: transform 0.2s ease;
}

.input-wrapper:focus-within {
    transform: translateY(-1px);
}

.form-input {
    width: 100%;
    padding: 0.875rem 1rem;
    font-size: 1rem;
    border: 1px solid var(--border-color);
    border-radius: 0.75rem;
    background: var(--input-bg);
    transition: all 0.2s ease;
}

.form-input:focus {
    outline: none;
    border-color: var(--primary-color);
    background: white;
    box-shadow: 0 0 0 4px rgba(0, 98, 77, 0.1);
}

.form-input::placeholder {
    color: var(--text-muted);
    opacity: 0.8;
}

.login-submit-btn {
    width: 100%;
    padding: 1rem;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: white;
    border: none;
    border-radius: 0.75rem;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    margin-top: 1.5rem;
    position: relative;
    overflow: hidden;
}

.login-submit-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--primary-light), var(--primary-color));
    opacity: 0;
    transition: opacity 0.3s ease;
}

.login-submit-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md),
        0 0 0 3px rgba(0, 98, 77, 0.1);
}

.login-submit-btn:hover::before {
    opacity: 1;
}

.login-submit-btn span {
    position: relative;
    z-index: 1;
}

.login-submit-btn:active {
    transform: translateY(0);
}

.messages {
    margin-bottom: 1.5rem;
}

.message {
    padding: 1rem;
    border-radius: 0.75rem;
    font-size: 0.875rem;
    margin-bottom: 0.5rem;
    background-color: var(--error-color);
    color: white;
    animation: fadeIn 0.4s cubic-bezier(0.16, 1, 0.3, 1) forwards;
    box-shadow: var(--shadow-sm);
}

@keyframes fadeIn {
    0% {
        opacity: 0;
        transform: translateY(-8px) scale(0.98);
    }

    100% {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.message-success {
    background: linear-gradient(135deg, var(--success-color), #2f855a);
}

.message-error {
    background: linear-gradient(135deg, var(--error-color), #c53030);
}

@media (max-width: 640px) {
    .login-items-container {
        padding: 2rem;
    }

    .login-title {
        font-size: 1.75rem;
    }

    .login-subtitle {
        font-size: 0.875rem;
    }

    .form-input {
        font-size: 1rem;
        padding: 0.75rem 1rem;
    }
}