/* Color Palette */
:root {
    --primary: #3a3285;
    --primary-light: #5d54b4;
    --primary-dark: #241e59;
    --white: #ffffff;
    --text-main: #333333;
    --text-muted: #666666;
    --error: #ff4d4f;
    --error-bg: #fff1f0;
}

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

body {
    font-family: 'Outfit', sans-serif;
    background-color: #f4f6fb;
    overflow: hidden;
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
}

/* Dynamic Background Mesh */
.background-mesh {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    overflow: hidden;
    background: linear-gradient(135deg, #f0f2fa 0%, #e1e4f3 100%);
}

.blob {
    position: absolute;
    filter: blur(80px);
    opacity: 0.6;
    border-radius: 50%;
    animation: float 20s infinite ease-in-out alternate;
}

.blob-1 {
    width: 400px;
    height: 400px;
    background: var(--primary);
    top: -10%;
    left: -10%;
    animation-delay: 0s;
}

.blob-2 {
    width: 500px;
    height: 500px;
    background: #8b5cf6; /* Complementary purple */
    bottom: -20%;
    right: -10%;
    animation-delay: -5s;
}

.blob-3 {
    width: 300px;
    height: 300px;
    background: #3b82f6; /* Blueish accent */
    top: 40%;
    left: 50%;
    animation-delay: -10s;
}

@keyframes float {
    0% { transform: translate(0, 0) scale(1); }
    33% { transform: translate(30px, -50px) scale(1.1); }
    66% { transform: translate(-20px, 20px) scale(0.9); }
    100% { transform: translate(0, 0) scale(1); }
}

/* Glassmorphism Card */
.login-container {
    width: 100%;
    max-width: 420px;
    padding: 20px;
    z-index: 10;
}

.glass-card {
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid rgba(255, 255, 255, 0.4);
    border-radius: 24px;
    padding: 40px;
    box-shadow: 0 8px 32px rgba(58, 50, 133, 0.15);
    animation: slideUp 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes slideUp {
    from { opacity: 0; transform: translateY(40px); }
    to { opacity: 1; transform: translateY(0); }
}

.card-header {
    text-align: center;
    margin-bottom: 30px;
}

.logo-circle {
    width: 64px;
    height: 64px;
    background: var(--white);
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    margin: 0 auto 16px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.05);
}

.card-header h2 {
    color: var(--primary-dark);
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 8px;
}

.card-header p {
    color: var(--text-muted);
    font-size: 14px;
    font-weight: 400;
}

/* Form Styles */
.login-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.input-group {
    position: relative;
}

.input-group input {
    width: 100%;
    padding: 16px 16px 12px;
    font-size: 15px;
    font-family: inherit;
    color: var(--text-main);
    background: rgba(255, 255, 255, 0.9);
    border: 1.5px solid transparent;
    border-radius: 12px;
    outline: none;
    transition: all 0.3s ease;
    box-shadow: inset 0 2px 4px rgba(0,0,0,0.02);
}

.input-group input:focus {
    border-color: var(--primary);
    background: var(--white);
    box-shadow: 0 0 0 4px rgba(58, 50, 133, 0.1);
}

.input-group label {
    position: absolute;
    left: 16px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 15px;
    color: #999;
    pointer-events: none;
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Floating Label Animation */
.input-group input:focus ~ label,
.input-group input:valid ~ label {
    top: 8px;
    font-size: 11px;
    font-weight: 600;
    color: var(--primary);
}
.input-group input:valid ~ label {
    color: var(--text-muted);
}
.input-group input:focus:valid ~ label {
    color: var(--primary);
}

/* Make space for floating label */
.input-group input {
    padding-top: 22px;
    padding-bottom: 10px;
}

/* Button */
.btn-primary {
    width: 100%;
    padding: 14px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    color: var(--white);
    border: none;
    border-radius: 12px;
    font-family: inherit;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    position: relative;
    overflow: hidden;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(58, 50, 133, 0.3);
    margin-top: 10px;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 50px;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(58, 50, 133, 0.4);
}

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

.btn-primary:disabled {
    opacity: 0.7;
    cursor: not-allowed;
    transform: none;
}

.btn-primary.success {
    background: #10b981; /* Green */
    box-shadow: 0 4px 15px rgba(16, 185, 129, 0.3);
}

/* Loader */
.loader {
    width: 20px;
    height: 20px;
    border: 2px solid rgba(255,255,255,0.3);
    border-radius: 50%;
    border-top-color: #fff;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* Error Message */
.error-message {
    background: var(--error-bg);
    color: var(--error);
    padding: 12px;
    border-radius: 8px;
    font-size: 13px;
    font-weight: 500;
    text-align: center;
    border: 1px solid rgba(255, 77, 79, 0.2);
    animation: shake 0.5s cubic-bezier(.36,.07,.19,.97) both;
}

@keyframes shake {
  10%, 90% { transform: translate3d(-1px, 0, 0); }
  20%, 80% { transform: translate3d(2px, 0, 0); }
  30%, 50%, 70% { transform: translate3d(-4px, 0, 0); }
  40%, 60% { transform: translate3d(4px, 0, 0); }
}