/* Elegant Loader Styles */
.loader-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(17, 24, 39, 0.95);
    backdrop-filter: blur(8px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    animation: fadeIn 0.3s ease-in-out;
}

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

.loader-container {
    text-align: center;
    padding: 2rem;
    background: rgba(31, 41, 55, 0.8);
    border-radius: 1rem;
    border: 1px solid rgba(59, 130, 246, 0.3);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
}

.elegant-loader {
    display: inline-block;
    position: relative;
    width: 64px;
    height: 64px;
}

.elegant-loader div {
    position: absolute;
    border: 3px solid transparent;
    border-top-color: #3b82f6;
    border-radius: 50%;
    animation: elegant-spin 1.2s cubic-bezier(0.5, 0, 0.5, 1) infinite;
}

.elegant-loader div:nth-child(1) {
    width: 52px;
    height: 52px;
    top: 6px;
    left: 6px;
    animation-delay: -0.45s;
    border-top-color: #60a5fa;
}

.elegant-loader div:nth-child(2) {
    width: 42px;
    height: 42px;
    top: 11px;
    left: 11px;
    animation-delay: -0.3s;
    border-top-color: #93c5fd;
}

.elegant-loader div:nth-child(3) {
    width: 32px;
    height: 32px;
    top: 16px;
    left: 16px;
    animation-delay: -0.15s;
    border-top-color: #dbeafe;
}

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

.loader-text {
    color: #93c5fd;
    margin-top: 1.5rem;
    font-size: 1rem;
    font-weight: 500;
    letter-spacing: 0.5px;
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.6; }
}

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

.loader-dots span {
    animation: blink 1.4s 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(16, 185, 129, 0.3);
}

.loader-container.green .elegant-loader div {
    border-top-color: #10b981;
}

.loader-container.green .elegant-loader div:nth-child(1) {
    border-top-color: #34d399;
}

.loader-container.green .elegant-loader div:nth-child(2) {
    border-top-color: #6ee7b7;
}

.loader-container.green .elegant-loader div:nth-child(3) {
    border-top-color: #d1fae5;
}

.loader-container.green .loader-text {
    color: #6ee7b7;
}