/* Modern Login Page - Al-shifa Diagnostic Center */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

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

html, body {
    height: 100%;
    font-family: 'Inter', 'Segoe UI', sans-serif;
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 50%, #0f172a 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

/* Animated background shapes */
.bg-shapes {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    pointer-events: none;
    overflow: hidden;
}

.bg-shapes .shape {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.15;
    animation: floatShape 20s ease-in-out infinite;
}

.bg-shapes .shape:nth-child(1) {
    width: 600px;
    height: 600px;
    background: #3b82f6;
    top: -200px;
    left: -200px;
    animation-delay: 0s;
}

.bg-shapes .shape:nth-child(2) {
    width: 500px;
    height: 500px;
    background: #06b6d4;
    bottom: -150px;
    right: -150px;
    animation-delay: -7s;
}

.bg-shapes .shape:nth-child(3) {
    width: 400px;
    height: 400px;
    background: #8b5cf6;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    animation-delay: -14s;
}

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

/* Login Container */
.login-container {
    position: relative;
    z-index: 1;
    width: 100%;
    max-width: 440px;
    padding: 20px;
}

.login-card {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 24px;
    padding: 40px 36px;
    box-shadow: 
        0 25px 50px -12px rgba(0, 0, 0, 0.5),
        inset 0 1px 0 rgba(255, 255, 255, 0.1);
    transition: transform 0.3s ease;
}

.login-card:hover {
    transform: translateY(-2px);
}

/* Logo */
.login-logo {
    text-align: center;
    margin-bottom: 32px;
}

.login-logo img {
    max-width: 120px;
    max-height: 120px;
    width: auto;
    height: auto;
    border-radius: 16px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
    object-fit: contain;
    background: rgba(255, 255, 255, 0.95);
    padding: 8px;
}

.login-title {
    text-align: center;
    margin-bottom: 8px;
}

.login-title h2 {
    color: #ffffff;
    font-size: 22px;
    font-weight: 600;
    letter-spacing: -0.5px;
    margin: 16px 0 4px;
}

.login-title p {
    color: rgba(255, 255, 255, 0.6);
    font-size: 14px;
    font-weight: 400;
    margin: 0;
}

/* Form */
.login-form {
    margin-top: 28px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    color: rgba(255, 255, 255, 0.7);
    font-size: 13px;
    font-weight: 500;
    margin-bottom: 6px;
    letter-spacing: 0.3px;
}

.input-wrapper {
    position: relative;
}

.input-wrapper .input-icon {
    position: absolute;
    left: 14px;
    top: 50%;
    transform: translateY(-50%);
    color: rgba(255, 255, 255, 0.4);
    font-size: 16px;
    z-index: 2;
    pointer-events: none;
    transition: color 0.3s ease;
}

.input-wrapper .form-control {
    width: 100%;
    padding: 14px 14px 14px 44px;
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    color: #ffffff;
    font-size: 15px;
    font-family: 'Inter', sans-serif;
    outline: none;
    transition: all 0.3s ease;
    box-sizing: border-box;
    height: auto;
}

.input-wrapper .form-control::placeholder {
    color: rgba(255, 255, 255, 0.3);
}

.input-wrapper .form-control:focus {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(59, 130, 246, 0.5);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.15);
}

.input-wrapper .form-control:focus ~ .input-icon {
    color: #60a5fa;
}

/* Remember me */
.remember-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 24px;
}

.remember-checkbox {
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
}

.remember-checkbox input[type="checkbox"] {
    display: none;
}

.checkmark {
    width: 18px;
    height: 18px;
    border: 2px solid rgba(255, 255, 255, 0.2);
    border-radius: 5px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    flex-shrink: 0;
}

.checkmark i {
    color: #fff;
    font-size: 10px;
    opacity: 0;
    transform: scale(0);
    transition: all 0.2s ease;
}

.remember-checkbox input:checked + .checkmark {
    background: #3b82f6;
    border-color: #3b82f6;
}

.remember-checkbox input:checked + .checkmark i {
    opacity: 1;
    transform: scale(1);
}

.remember-checkbox span {
    color: rgba(255, 255, 255, 0.6);
    font-size: 14px;
    user-select: none;
}

/* Submit Button */
.btn-submit {
    width: 100%;
    padding: 15px;
    background: linear-gradient(135deg, #3b82f6, #2563eb);
    border: none;
    border-radius: 12px;
    color: #fff;
    font-size: 16px;
    font-weight: 600;
    font-family: 'Inter', sans-serif;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    height: auto;
    line-height: 1.4;
    box-shadow: 0 4px 15px rgba(59, 130, 246, 0.3);
    -webkit-appearance: none;
    appearance: none;
}

.btn-submit:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(59, 130, 246, 0.4);
    background: linear-gradient(135deg, #60a5fa, #3b82f6);
}

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

.btn-submit:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

.btn-submit::-moz-focus-inner {
    border: 0;
    padding: 0;
}

/* Footer text */
.login-footer {
    text-align: center;
    margin-top: 24px;
}

.login-footer p {
    color: rgba(255, 255, 255, 0.3);
    font-size: 12px;
}

/* Alert message */
.alert-message {
    background: rgba(239, 68, 68, 0.15);
    border: 1px solid rgba(239, 68, 68, 0.3);
    border-radius: 12px;
    padding: 12px 16px;
    margin-bottom: 20px;
    color: #fca5a5;
    font-size: 14px;
    text-align: center;
    animation: shakeAlert 0.5s ease;
}

@keyframes shakeAlert {
    0%, 100% { transform: translateX(0); }
    20% { transform: translateX(-5px); }
    40% { transform: translateX(5px); }
    60% { transform: translateX(-3px); }
    80% { transform: translateX(3px); }
}

.alert-message h4 {
    display: none;
}

/* Loading spinner */
.btn-submit .spinner {
    display: none;
    width: 20px;
    height: 20px;
    border: 2px solid rgba(255,255,255,0.3);
    border-top-color: #fff;
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
    margin: 0 auto;
}

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

/* Responsive */
@media (max-width: 480px) {
    .login-container {
        padding: 12px;
    }
    .login-card {
        padding: 28px 24px;
        border-radius: 20px;
    }
    .login-logo img {
        max-width: 90px;
        max-height: 90px;
    }
    .login-title h2 {
        font-size: 19px;
    }
    .input-wrapper .form-control {
        padding: 12px 12px 12px 40px;
        font-size: 14px;
    }
}