/* Elegant Loader Styles - Minimal & Calm */
.loader-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(26, 31, 46, 0.92);
    backdrop-filter: blur(6px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    animation: fadeIn 0.25s ease-in-out;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.loader-container {
    text-align: center;
    padding: 2.5rem;
    background: rgba(45, 55, 72, 0.7);
    border-radius: 12px;
    border: 1px solid rgba(102, 126, 234, 0.2);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
}

.elegant-loader {
    display: inline-block;
    position: relative;
    width: 56px;
    height: 56px;
}

.elegant-loader div {
    position: absolute;
    border: 2.5px solid transparent;
    border-top-color: #667eea;
    border-radius: 50%;
    animation: elegant-spin 1.3s cubic-bezier(0.5, 0, 0.5, 1) infinite;
}

.elegant-loader div:nth-child(1) {
    width: 48px;
    height: 48px;
    top: 4px;
    left: 4px;
    animation-delay: -0.45s;
    border-top-color: #667eea;
}

.elegant-loader div:nth-child(2) {
    width: 38px;
    height: 38px;
    top: 9px;
    left: 9px;
    animation-delay: -0.3s;
    border-top-color: #7c8ff0;
}

.elegant-loader div:nth-child(3) {
    width: 28px;
    height: 28px;
    top: 14px;
    left: 14px;
    animation-delay: -0.15s;
    border-top-color: #a0aec0;
}

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

.loader-text {
    color: #a0aec0;
    margin-top: 1.5rem;
    font-size: 0.95rem;
    font-weight: 500;
    letter-spacing: 0.03em;
    animation: pulse 2.5s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.65; }
}

.loader-dots {
    display: inline-block;
    margin-left: 0.25rem;
}

.loader-dots span {
    animation: blink 1.5s infinite;
    opacity: 0;
}

.loader-dots span:nth-child(2) {
    animation-delay: 0.2s;
}

.loader-dots span:nth-child(3) {
    animation-delay: 0.4s;
}

@keyframes blink {
    0%, 20% { opacity: 0; }
    50% { opacity: 1; }
    100% { opacity: 0; }
}

/* Green variant for register page */
.loader-container.green {
    border: 1px solid rgba(72, 187, 120, 0.2);
}

.loader-container.green .elegant-loader div {
    border-top-color: #48bb78;
}

.loader-container.green .elegant-loader div:nth-child(1) {
    border-top-color: #48bb78;
}

.loader-container.green .elegant-loader div:nth-child(2) {
    border-top-color: #68d391;
}

.loader-container.green .elegant-loader div:nth-child(3) {
    border-top-color: #a0aec0;
}

.loader-container.green .loader-text {
    color: #a0aec0;
}