/* Login Page Styles */
:root {
    --primary-color: #4A90E2;
    --secondary-color: #FFB6C1;
    --accent-color: #9B59B6;
    --success-color: #27AE60;
    --error-color: #E74C3C;
    --text-dark: #2C3E50;
    --text-light: #7F8C8D;
    --background-light: #F8F9FA;
    --background-white: #FFFFFF;
    --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-hover: 0 8px 15px rgba(0, 0, 0, 0.15);
    --border-radius: 12px;
    --transition: all 0.3s ease;
}

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

body {
    font-family: 'Inter', sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.login-container {
    position: relative;
    width: 100%;
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1;
}

/* Background Animation */
.background-animation {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    z-index: -1;
}

.floating-shapes {
    position: relative;
    width: 100%;
    height: 100%;
}

.shape {
    position: absolute;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    animation: float 6s ease-in-out infinite;
}

.shape-1 {
    width: 80px;
    height: 80px;
    top: 20%;
    left: 10%;
    animation-delay: 0s;
}

.shape-2 {
    width: 120px;
    height: 120px;
    top: 60%;
    right: 10%;
    animation-delay: 2s;
}

.shape-3 {
    width: 60px;
    height: 60px;
    top: 80%;
    left: 20%;
    animation-delay: 4s;
}

.shape-4 {
    width: 100px;
    height: 100px;
    top: 10%;
    right: 30%;
    animation-delay: 1s;
}

@keyframes float {
    0%, 100% {
        transform: translateY(0px) rotate(0deg);
    }
    50% {
        transform: translateY(-20px) rotate(180deg);
    }
}

/* Login Card */
.login-card {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-hover);
    padding: 3rem;
    width: 100%;
    max-width: 400px;
    text-align: center;
    position: relative;
    z-index: 2;
    animation: slideInUp 0.8s ease-out;
}

@keyframes slideInUp {
    from {
        opacity: 0;
        transform: translateY(50px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.login-header {
    margin-bottom: 2rem;
}

.logo {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 0.5rem;
}

.logo i {
    font-size: 2.5rem;
    color: var(--primary-color);
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.1);
    }
}

.logo h1 {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--text-dark);
    margin: 0;
}

.subtitle {
    color: var(--text-light);
    font-size: 1rem;
    margin: 0;
}

/* Messages */
.messages {
    margin-bottom: 1.5rem;
}

.message {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1rem;
    border-radius: var(--border-radius);
    margin-bottom: 0.5rem;
    font-size: 0.9rem;
    animation: slideInRight 0.3s ease-out;
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(20px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.message-success {
    background: rgba(39, 174, 96, 0.1);
    color: var(--success-color);
    border: 1px solid rgba(39, 174, 96, 0.2);
}

.message-error {
    background: rgba(231, 76, 60, 0.1);
    color: var(--error-color);
    border: 1px solid rgba(231, 76, 60, 0.2);
}

.message-info {
    background: rgba(74, 144, 226, 0.1);
    color: var(--primary-color);
    border: 1px solid rgba(74, 144, 226, 0.2);
}

/* Login Form */
.login-form {
    margin-bottom: 2rem;
}

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

.input-icon {
    position: relative;
    display: flex;
    align-items: center;
}

.input-icon i {
    position: absolute;
    left: 1rem;
    color: var(--text-light);
    font-size: 1.1rem;
    z-index: 1;
    transition: var(--transition);
}

.input-icon input {
    width: 100%;
    padding: 1rem 1rem 1rem 3rem;
    border: 2px solid #E0E0E0;
    border-radius: var(--border-radius);
    font-size: 1rem;
    background: white;
    transition: var(--transition);
    outline: none;
}

.input-icon input:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(74, 144, 226, 0.1);
}

.input-icon input:focus + i {
    color: var(--primary-color);
}

.login-button {
    width: 100%;
    padding: 1rem;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    color: white;
    border: none;
    border-radius: var(--border-radius);
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.login-button:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-hover);
}

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

.login-button::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s;
}

.login-button:hover::before {
    left: 100%;
}

/* Login Footer */
.login-footer {
    text-align: center;
}

.back-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-light);
    text-decoration: none;
    font-size: 0.9rem;
    transition: var(--transition);
}

.back-link:hover {
    color: var(--primary-color);
    transform: translateX(-5px);
}

/* Decorative Elements */
.decorative-elements {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 0;
}

.pet-icon {
    position: absolute;
    font-size: 2rem;
    color: rgba(255, 255, 255, 0.3);
    animation: float 4s ease-in-out infinite;
}

.pet-1 {
    top: 15%;
    left: 5%;
    animation-delay: 0s;
}

.pet-2 {
    top: 70%;
    right: 5%;
    animation-delay: 2s;
}

.pet-3 {
    top: 40%;
    left: 80%;
    animation-delay: 1s;
}

/* Loading State */
.login-button.loading {
    pointer-events: none;
}

.login-button.loading span {
    opacity: 0;
}

.login-button.loading::after {
    content: '';
    position: absolute;
    width: 20px;
    height: 20px;
    border: 2px solid transparent;
    border-top: 2px solid white;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Mobile Responsive */
@media (max-width: 768px) {
    .login-card {
        margin: 1rem;
        padding: 2rem;
    }
    
    .logo h1 {
        font-size: 1.5rem;
    }
    
    .shape {
        display: none;
    }
    
    .pet-icon {
        font-size: 1.5rem;
    }
}

@media (max-width: 480px) {
    .login-card {
        padding: 1.5rem;
    }
    
    .logo {
        flex-direction: column;
        gap: 0.5rem;
    }
    
    .logo h1 {
        font-size: 1.3rem;
    }
}